| Literature DB >> 29304780 |
Helen M Nabwera1,2, Sophie E Moore3,4, Martha K Mwangome5, Sassy C Molyneux5,6, Momodou K Darboe3, Nyima Camara-Trawally3, Bakary Sonko3, Alhagie Darboe3, Seedy Singhateh3, Anthony J Fulford3,7, Andrew M Prentice3,7.
Abstract
BACKGROUND: Severe wasting affects 16 million under 5's and carries an immediate risk of death. Prevalence remains unacceptably high in sub-Saharan Africa and early infancy is a high-risk period. We aimed to explore risk factors for severe wasting in rural Gambian infants.Entities:
Keywords: Infant feeding; Maternal stressors; Severe wasting
Mesh:
Year: 2018 PMID: 29304780 PMCID: PMC5756408 DOI: 10.1186/s12889-017-4984-2
Source DB: PubMed Journal: BMC Public Health ISSN: 1471-2458 Impact factor: 3.295
Comparison of characteristics between cases and controls
| Characteristics | Cases | Controls | |
|---|---|---|---|
| Demographic and anthropometric characteristics | |||
| | |||
| Parity, median (IQR) | 4 (3, 7) | 4 (2, 6) | |
| WLZ at growth faltering time point in cases, mean (SD) | −3.6 (0.5) | −0.6 (1.1) |
|
| WLZ at 12 months, mean (SD)¥ | −2.1 (1.3)b | −0.8 (1.1)c |
|
| Age in years at time of interview, mean (SD) | 2.9 (0.8) | 2.9 (0.8) | |
| Male, | 48 (58) | 134 (61) | |
| One or more children under 5y in household (other than index child) | 75 (97.4) | 196 (96.6) | |
|
| |||
| Paternal age, mean, SD | 47.3 (9.7) | 48.7 (12.1) | |
| Maternal age, mean, SD | 35 (6.4) | 34 (6.7) | |
| Maternal depressive symptoms, n (%) | 10 (13) | 36 (12.4) | |
| Carer from 0 to 12 months- mother, n (%) | 77 (100) | 199 (98) | |
| Mothers have freedom to move around without escort | 76 (98.7) | 198 (99.5) | |
|
| |||
| Distance from MRC clinic in km, median (IQR) | 17 (10, 23) | 13 (5, 23) | |
| Population size of village, median (IQR) | 768 (528, 1265) | 768 (610, 1265) | |
| Socioeconomic status | |||
| | |||
| No formal education | 23(30) | 40 (20) | |
| Arabic school | 40 (52) | 122 (61) | |
| Less than primary school | 8 (10) | 24 (12) | |
| Completed primary school | 6 (8) | 9 (5) | |
| Completed secondary school | 0 | 4 (2) | |
| | |||
| Farming | 65 (86) | 163 (82) | |
| Business | 4 (5) | 7 (3) | |
| Salary | 2 (3) | 1 (1) | |
| Other | 5 (6) | 28 (14) | |
| Guaranteed monthly income | 6 (8) | 10 (5) | |
| | |||
| Number of rooms in for sleeping household, median (IQR) | 2 (2,3) | 2 (2,3) | |
| Number of people in household past 6 months, median (IQR) | 6 (4,8) | 5 (4,7) | |
| | |||
| Toilets, n (%)¥ | |||
| Flushing | 0 (0) | 1 (<1) | |
| VIP latrine | 1 (1) | 2 (1) | |
| Traditional pit latrine | 70 (92) | 190 (95) | |
| No toilet | 5 (7) | 5 (3) | |
| Water source past 6 m, | |||
| Piped water in house | 0 (0) | 1 (<1) | |
| Covered public well | 0 (0) | 3 (2) | |
| Public tap | 69 (91) | 173 (87) | |
| Open public well | 5 (7) | 10 (5) | |
| Open well in compound | 0 (0) | 1 (<1) | |
| Deep tube well | 2(3) | 11 (6) | |
| | |||
| Less than 30 min | 75 (97) | 192 (96) | |
| 30 min or more | 2 (3) | 7 (4) | |
| Ability to fetch drinking water daily, | 75 (97) | 196 (98) | |
| Number of daily trips for water, median (IQR) | 5 (4,6) | 5 (4,6) | – |
| Water purification for drinking water done | 26 (34) | 76 (38) | |
| | |||
| Filtration through cloth | 25 (96) | 76 (100) | |
| Filtration through ceramic | 1 (4) | 0 (0) | |
|
| |||
| Wealth quintiles, | |||
| 1 (Poorest) | 30(39) | 63 (31) | |
| 2 | 19 (25) | 54 (27) | |
| 3 | 1(<1) | 8 (4) | |
| 4 | 11 (14) | 41 (20) | |
| 5 (Wealthiest) | 16 (21) | 37 (18) | |
| Infant feeding and care practices | |||
| | |||
| Ever breastfed¥ | 76 (100) | 194 (100) | |
| Age breastfeeding stopped, months, median (IQR) | 24 (20, 24) | 24 (20, 24) | |
| Age of introducing complementary foods, months, mean (SD) (prospective data collection) | 5.2 (1.2) | 5.1 (1.3) | |
| Commonest complementary food-coos (maize meal) porridge, | 54 (65.1) | 155 (70.1) | |
| Mode of feeding-spoon | 75 (97) | 198 (98) | |
| Frequency of complementary feeds, mean (SD) | 4 (1.0) | 3 (0.9) | |
|
| |||
| X1 | 0 (0) | 1 (1) | |
| X2 | 6 (7) | 17 (8) | |
| X3 | 26 (34) | 114 (58) | |
| X4 | 30 (40) | 46 (23) | |
| X5 | 11 (15) | 15 (8) | |
| Greater than X5 | 3 (4) | 5 (2) | |
| Scheduled feeding, | 52 (70) | 142 (72) | |
| Own bowl at feeding time, | 75 (97) | 198 (98) | |
|
| |||
| Mother alone | 68 (90) | 188 (95) | |
| Mother and father | 6 (7) | 8(4) | |
| Mother and mother in law | 2 (3) | 1 (<1) | |
| Mother and other | 0 (0) | 1 (<1) | |
|
| |||
| Mother alone | 51 (67) | 135 (68) | |
| Mother and father | 23 (30) | 60 (30) | |
| Mother and mother in law | 2 (3) | 3 (2) | |
| Mother and other | 0 | 1 (<1) | |
|
| |||
| Water alone | 7 (9) | 17 (9) | |
| Water and soap | 70 (91) | 181 (91) | |
| Water and mud or clay | 0 (0) | 1 (<1) | |
| Health status of infants and siblings | |||
| | |||
| Diarrhoea, median (IQR) | 2 (1, 4) | 2 (1,4) | |
| Morbidity, median (IQR) | 10 (6, 14) | 9 (6,13) | |
| Number who died in first 12 months, | 4 (5) | 2 (<1) | |
| Number died after 12 months, n (%) | 1(<1)) | 1 (<1) | |
| | |||
| No sibling deaths, | 22 (29) | 65 (32) | |
| Age in months of sibling who most recently died, median (IQR) | 6 (2, 7) | 2 (1, 5) | |
a Two sample Student T-test ¥Missing data
bN = 53
cN = 169
Fig. 1Sampling framework for qualitative data
Fig. 2Sequential explanatory strategy for data collection model
Fig. 3Conceptual framework of maternal factors that influence infant nutritional status
Univariable analysis of risk factors for severe wasting in infants
| Variables | Unadjusted OR (95% CI) | |
|---|---|---|
|
| ||
| Current carer | 1.03 (0.30–3.46) | 1.00 |
| Mother | 1.00 | |
| Father lives in household | 0.73 (0.44–1.22) | 0.23 |
| Father not in household | 1.00 | |
| Carer education | 0.79 (0.52–1.20) | 0.33 |
| No carer education | 1.00 | |
| Maternal age | 1.02 (0.98, 1.06) | 0.34 |
| Maternal age 21 years | 1.00 | |
| Paternal age | 1.00 (0.96–1.01) | 0.48 |
| Paternal age 25 years | 1.00 | |
| No monthly income for mother | 2 (0.65–6.12) | 0.23 |
| Monthly income for mother | 1.00 | |
| Children under 5y in household | 1.39 (0.96–2.01) | 0.09 |
| No children under 5y | 1.00 | |
| Maternal depressive symptoms | 1.18 (0.54–2.61) | 0.68 |
| No maternal depression | 1.00 | |
| Other makes decision to seek medical care | 1.09 (0.62–1.90) | 0.78 |
| Mother makes decision to seek medical care | 1.00 | |
| Principal component 1 (socioeconomic measure) | 1.07 (0.89–1.29) | 0.48 |
| Lowest quintile | 1.00 | |
| Principal component 2 (socioeconomic measure) | 0.86 (0.68–1.10) | 0.19 |
| Lowest quintile | 1.00 | |
|
| ||
| Parity | 1.01 (0.90–1.14) | 0.82 |
| Index child only child | 1.00 | |
| Age breastfeeding stopped | 1.0 (0.93–1.10) | 0.93 |
| 0 months | 1.00 | |
| Age of introducing complementary feeds (prospective) | 1.09 (0.86–1.39) | 0.47 |
| 1 month | 1.00 | |
| Other decides on type complementary food for infant | 1.09 (0.62–1.90) | 0.78 |
| Mother decides on type of complementary food for infant | 1.00 | |
| Frequency of complementary feeds (1–8) | 1.51 (1.13–2.01) |
|
| Feeds once a day | 1.00 | |
| Other feeds infant | 0.81 (0.26–2.50) | 0.72 |
| Mother feeds infant | 1.00 | |
| No scheduled feed | 1.11(0.61–2.04) | 0.74 |
| Scheduled feeding | 1.00 | |
|
| ||
| Diarrhoea episodes | 0.96 (0.84–1.09) | 0.51 |
| No diarrhoea episodes | 1.00 | |
| Morbidity | 1.02 (0.96–1.07) | 0.53 |
| No morbidity | 1.00 | |
|
| ||
| Sibling death | 1.04 (0.55–1.94) | 0.91 |
| No sibling death | 1.00 | |
|
| ||
| Number of people sleeping in household | 1.90 (0.99–1.21) | 0.09 |
| 2 people | 1.00 | |
| Number of rooms in household | 1.24 (1.00–1.60) | 0.10 |
| 1 room | 1.00 | |
| Source of water more than 30 min | 0.75 (0.14–4.00) | 0.74 |
| minutes | 1.00 | |
| Drinking water for household fetched daily | 0.59(0.10–3.56) | 0.57 |
| daily | 1.00 | |
| Increasing trips for fetching drinking water | 0.94 (0.82–1.10) | 0.47 |
| One water trip | 1.00 | |
| Water treatment | 0.85 (0.48–1.50) | 0.57 |
| No water treatment | 1.00 | |
| No toilet in compound | 3 (0.78–11.51) | 0.11 |
| Toilet in compound | 1.00 | |
| Hand washing without soap | 1.10 (0.44–2.72) | 0.84 |
| Hand wash with soap | 1.00 | |
Multivariable analysis of risk factors for severe wasting (after fitting model)
| Variables | OR, 95% CI | |
|---|---|---|
|
| ||
| Maternal depressive symptoms | 1.37 (0.32–6.00) | 0.67 |
| No depression | 1.00 | |
| Maternal age | 1.03 (0.91–1.18) | 0.64 |
| Maternal age 21 years | 1.00 | |
| Paternal age | 0.95 (0.88–1.02) | 0.15 |
| Paternal age 25 years | ||
| Sibling death | 0.47 (0.11–2.00) | 0.30 |
| No sibling death | 1.00 | |
| Principal component 1 (lower socioeconomic measure) | 1.23 (0.88–1.72) | 0.23 |
| Lowest quintile | 1.00 | |
| Principal component 2 (lower socioeconomic measure) | 1.19 (0.71–1.98) | 0.50 |
| Lowest quintile | 1.00 | |
|
| ||
| Parity | 0.99 (0.76–1.28) | 0.92 |
| Index child only child | 1.00 | |
| Age breastfeeding stopped | 1.05 (0.90–1.19) | 0.53 |
| 0 months | 1.00 | |
| Age of starting complementary feeds (prospective) | 0.89 (0.71–1.11) | 0.30 |
| 1 month | 1.00 | |
| Frequency of complementary foods (1–8) | 2.06 (1.17–3.62) |
|
| Feeds once a day | 1.00 | |
| No scheduled feeding | 2.21 (0.56–8.64) | 0.26 |
| Scheduled feeding | 1.00 | |
| Other feeds infant | 0.45 (0.05–4.00) | 0.47 |
| Mother feeds infant | 1.00 | |
| Other makes decision to seek health care | 1.42 (0.47–4.34) | 0.54 |
| Mother makes decision to seek medical care | 1.00 | |
|
| ||
| Diarrhoea episodes | 0.82 (0.62–1.09) | 0.51 |
| No diarrhoea episodes | 1.00 | |
| Morbidity | 1.02 (0.96–1.07) | 0.53 |
| No morbidity | 1.00 | |
|
| ||
| Water treatment | 0.31 (0.09–1.04) |
|
| No water treatment | 1.00 | |
| Drinking water for household fetched daily | 0.88 (0.64–1.21) | 0.44 |
| Drinking water for household not fetched daily | 1.00 | |
| Number of people sleeping in house | 1.02 (0.81–1.30) | 0.85 |
| 2 people | 1.00 | |
Adjusted for maternal age and paternal age