Determinants of newborn care utilization in Pakistan: Findings from the Demographic and Health Surveys [version 1; peer review: awaiting peer review]

Background: Information on determinants of postpartum care is essential for public health action, yet this information is scarce in Pakistan. Hence, the current study aimed to determine the factors of newborn postpartum care utilization from the Pakistan Demographic and Health Surveys conducted from 2006–2018. Methods: We analyzed data from three rounds of cross-sectional, nationally representative Pakistan Demographic and Health Surveys (PDHS) 2006–07, 2012–13, and 2017–18. Multivariable logistic regression models were applied to explore factors associated with utilization of newborn postpartum care within two months. Results: This study included 5724 women from the 2006–07 PDHS, 7461 from the 2012–13 survey, and 8287 from the 2017–18 survey. The proportion of women receiving newborn postnatal care within the first two months of delivery increased from 13% in 2006–07 to 43% in 2012–13 but dropped to 27% in 2017–18. Respondent’s occupation and prenatal care utilization of maternal health services were common factors that significantly influenced newborn postnatal care utilization within two months. The utilization of postnatal care was greater among women having educated husbands and where the first child was a male in PDHS 2007 round. Higher wealth index and educated respondent had higher postnatal care utilization odds in DHS 2012 and DHS 2018. However, the odds of using postnatal care decreased with the number of household members and total number of children ever born in DHS 2012 and 2018 rounds. Conclusions: There was a general increase in the proportion of women who utilized postnatal care for their newborns during 2006–2013 but a decrease in 2018. The decreased utilization in 2018 warrants further investigation. Improving women’s economic status, education, employment, and antenatal care attendance and reducing parity may increase newborn postnatal care utilization. Open Peer Review Reviewer Status AWAITING PEER REVIEW Any reports and responses or comments on the article can be found at the end of the article. Page 1 of 11 F1000Research 2020, 9:1061 Last updated: 28 AUG 2020


Introduction
The postnatal period -defined as the first six weeks after birth -is the most critical phase in the lives of mothers and their newborns. Approximately 50% of all maternal and neonatal deaths occur within 24 hours after birth, approximately 60% occur during the first week of life, and the rest occur within six weeks after birth 1,2 .
In low-income countries, problems such as preterm birth, birth asphyxia, and infections are the leading causes of neonatal deaths 2 . A striking 99% of the global maternal and neonatal deaths occur in developing countries including Pakistan. Only ten countries, mostly from Asia, account for two-thirds of neonatal deaths. Pakistan reports 7% of global neonatal deaths 2 and an estimated 298,000 deaths annually at a mortality rate of 42 per 1000 live births 3 .
Nowadays, we can save the lives of many newborns through interventions that require only simple technology 4 . These interventions can be delivered effectively by a skilled birth attendant at home from the first 24 hours of life to 6 weeks 4 .
Various policies and health programs 5 have been introduced in Pakistan since 1990 to reduce maternal and infant mortality. These include the National Health Policy, National Maternal Newborn and Child Health Program, Pakistan initiative for mothers and newborns, People's primary healthcare initiative, and Lady Health Worker programs 5 . However, the effectiveness of a program in improving health indicators depends on the utilization and quality of the services provided. Moreover, reproductive status, family influence, community context, and social and cultural beliefs were found to be significant determinants of postnatal care (PNC) 6 .
Studies have mentioned that Pakistan does not have a national policy on newborn health, and programs aiming on newborn care are partial in coverage 7 . Most of the previous studies have focused on assessing the utilization of antenatal or antepartum care services, but only a few have tried to look at postnatal care delivery and utilization. We sought to explore the determinants of newborn PNC utilization over the period from 1991 to 2018 in Pakistan. This paper is based on previously published data and did not require ethical approval. Permission to use the PDHS datasets was obtained from the DHS Program.

Study population
The study population comprised women of reproductive age (15-49 years) who gave birth during the last five years preceding the surveys. This included 5725 women from the PDHS 2007/08, 7461 from PDHS 2012/13, and 8287 from the PDHS 2017/18.

Variables
A conceptual framework proposed by the World Health Organization to explore the social determinants of maternal health was used to consider the various sociodemographic factors that might affect postnatal care utilization. We considered only the variables that were common across the rounds of PDHS.
As there are no nationwide separate newborn health interventions, newborn services are provided with different health programs also considering low postnatal care utilization in Pakistan; the outcome variable constructed was postnatal care of the newborn within two months 8 . Independent variables were categorized as shown in Box 1.

Statistical analysis
Descriptive statistics were used to summarize participants' characteristics. Because PDHS collected information on postnatal care during the past 5 years, we used the information on the date of birth of the child and receipt of PNC to calculate the coverage of newborn PNC by year for each round of DHS. We used logistic regression models to determine unadjusted and adjusted odds ratios with 95% confidence intervals for the association between the independent variables and newborn PNC. Variables with p <0.1 in the unadjusted (univariable) analysis were included in adjusted (multivariable) analysis. Data were analyzed using SPSS 22.0 software, and P-values < 0.05 were considered to indicate statistical significance.

Results
Sociodemographic characteristics of mothers during the three DHS rounds The mean age of the mothers and her husband was 29.59 and 34 years, respectively, across the three rounds with a little variation as shown in Table 1. The median number of household members was 9, 8, and 8 respectively over the three rounds. However, the number of children ever born was the same in the three rounds. This indicates that the age and family characteristics were nearly the same for Pakistan over the period of 2007-18 as depicted in Table 1.
Factors associated with the utilization of newborn postnatal care Table 2 shows the results of univariable analysis of factors associated with newborn PNC utilization. The following factors are significantly associated in positive relation in all three surveys: rural residence (p=<0.001), wealth index (p=<0.001), education status of the respondent (p=<0.001), no prenatal care (p=<0.001), and number of antenatal care visits received (p=<0.001). While the number of household members (p=<0.001), number of children aged 5 years or below in the household (p=<0.001), total children ever born (p=<0.001), and births in the last 5 years (p=0.004, p=0.001) were negatively associated with newborn PNC in the 2013 and 2018 surveys.
Regression analysis was performed for the significant independent variables found in each dataset to control for confounding and derive adjusted odds ratio (Table 3). Multivariable logistic regression analysis unadjusted results are shown in Table 3.
In the 2007 survey, occupation of the respondent (p=0.015), husband's education (p=0.006), prenatal care utilization (p=<0.001), sex of the previous child (p=0.002), and number of antenatal visits (p=0.001) were significantly associated with newborn PNC within two months.
In the 2012 survey, the same factors as those of the 2007 survey, namely, occupation of the respondent (p=<0.001), husband's education (p=0.034), prenatal care utilization (p=<0.001), and number of antenatal visits (p=<0.001), also showed significantly positive associations. In addition, factors such as wealth index (p=<0.001), education of the respondent (p=<0.001), and husband occupation (p=0.004) also showed positive associations. However, the number of household members (p=0.042) and total children ever born (p=0.001) were negatively associated with newborn PNC utilization.
In the 2018 survey, receiving postnatal care within two months of birth was significantly associated with the occupation of the respondent (p=<0.001), education of the respondent (p=<0.001), wealth index (p=0.001), number of antenatal visits (p=<0.001), and sex of the first child (p=<0.011). However, women who had more total children ever born (p=<0.001) were less likely to receive newborn care utilization.

Discussion
The current study aimed to explore newborn postnatal care determinants from three subsequent rounds of DHS 2006-07, 2012-13, and 2017-18 in Pakistan. Various sociodemographic factors along with household characteristics and utilization of antenatal care services determine the utilization of PNC, in general, from past literature 9,10 . We also extracted relevant data from three rounds of PDHS pertaining to potential factors, which could affect the utilization of newborn postnatal care in this study as described in the methods section.  Among all the sociodemographic determinants included in this study, the occupation of the respondent and the utilization of ANC (Table 4) were found to be significantly associated with newborn PNC utilization within two months after delivery across all the three rounds of DHS. It was found that the odds of using PNC was 1.26 times more among women who were employed than among unemployed mothers. Previous studies conducted in Pakistan 10 and from other neighboring countries also showed a positive association among mothers with employment 12-14 (Table 3). However, wealth index of household 15,16 , education status of the respondents 15,16 , and total children ever born 16,17 were significantly associated with newborn PNC for two DHS rounds: 2012-13 and 2017-18. Utilization of maternal health services, especially antenatal or prenatal care, was also a strong predictor of PNC throughout all PDHS; it is evident from the literature that ANC is the entry point for the utilization of maternal health services during and after pregnancy [18][19][20][21] . The respondent's occupation and utilization of antenatal care were found to be associated with newborn PNC from the DHS 2006-07 and 2012-13 data in previous studies 8, 10 .
This study indicates that the occupation of the respondent and prenatal care services utilization by respondents influenced the utilization of newborn PNC across all the three rounds of the PDHS. Other common factors such as wealth index, education of the respondent, and total number of children ever born also influenced the uptake of newborn PNC services. Another strength of this study is the number of sociodemographic and outcome variables included, which is far higher than those included in previous studies 8,10 .
However, we could not see determinants of newborn PNC utilization due to data unavailability on PNC from the 1990-91 PDHS. Moreover, the data on the reasons for not getting the PNC by the women after delivery were not available.
There are limitations to the data, which we noticed while conducting this analysis. These limitations may be considered as recommendations for further improving the scope of the DHS. There was no information available on the distribution of health services in the DHS data. This information is important, as differential health service availability and accessibility directly influence PNC utilization, which we could not explore in the current study. In future research, the data could be used to link the availability and accessibility of services with their utilization. The second limitation in data, we noticed, was regarding the quality of PNC, which was not captured in the DHS questionnaire. This question is crucial to explain the reducing uptake of newborn PNC services, especially in 2017-18. The DHS also did not contain any information on the domains for which PNC is provided, which is again important for improving the health of the mother and the newborn.

Conclusions
This study reveals that women being employed, utilization of ANC or prenatal services, wealth index, and education of respondents or their husbands increases the uptake of newborn PNC utilization. An increasing number of children ever born to women are less likely to have newborn PNC utilization. Hence, there is a need to address the issues of improving economic status, education, employment of the women, and population control to increase newborn PNC utilization. Similarly, interventions that increase the coverage and quality of ANC services will also increase the utilization of newborn PNC among women in Pakistan.

Source data
The data for this study is owned by the DHS Program. The Individual Recode datasets for the PDHS 2006-07, 2012-13 and 2017-2018 were used for this study and can be obtained here: https://www.dhsprogram.com/data/available-datasets.cfm?ctryid=31 The electronic data is available from the DHS Program under its terms of use. Before downloading the data, users must register as a DHS user for reasons laid out on the DHS Program website and dataset access is only granted for legitimate research purposes.
The benefits of publishing with F1000Research: Your article is published within days, with no editorial bias • You can publish traditional articles, null/negative results, case reports, data notes and more • The peer review process is transparent and collaborative • Your article is indexed in PubMed after passing peer review • Dedicated customer support at every stage • For pre-submission enquiries, contact research@f1000.com