| Neonatal (0–28 days) | Post-neonatal (1–11 months) | Infant (0–11 months) | Child (12–59 months) | Under-five (0–59 months) |
---|---|---|---|---|---|
Variables | AHR (95%CI) | AHR (95%CI) | AHR (95%CI) | AHR (95%CI) | AHR (95%CI) |
Year of survey | |||||
 2004–2005 | Ref | Ref | Ref | Ref | Ref |
 2010 | 0.79 (0.61–1.02) | 0.65 (0.51–0.84) | 0.71 (0.59–0.85) | 0.57 (0.43–0.76) | 0.69 (0.59–0.80) |
 2015–2016 | 0.75 (0.59–0.95) | 0.47 (0.36–0.61) | 0.62 (0.52―0.74) | 0.50 (0.37–0.68) | 0.60 (0.51–0.70) |
Residence type | |||||
 Urban | Ref |  | Ref | Ref | Ref |
 Rural | 0.61 (0.48–0.78) |  | 0.80 (0.66―0.96) | 0.55 (0.38–0.81) | 0.79 (0.67–0.93) |
 Socio-demographic factor |  |  |  |  |  |
Household wealth index | |||||
 Rich | – | – | – | Ref | – |
 Middle | – | – | – | 2.03 (1.19–3.46) | – |
 Poor | – | – | – | 2.18 (1.25–3.81) | – |
Mother’s education | |||||
 Secondary or higher | – | – | – | Ref | Ref |
 Primary | – | – | – | 2.47 (1.21–5.07) | 1.38 (1.06–1.80) |
 No education | – | – | – | 2.68 (1.27–5.67) | 1.32 (0.99–1.77) |
Mother’s age (Years) | |||||
 30―39 | Ref | Ref | Ref | – | – |
  < 20 | 3.30 (2.07–5.26) | 6.50 (3.39–12.5) | 4.50 (3.03–6.68) | – | – |
 20―29 | 0.97 (0.72–1.32) | 1.93 (1.39–2.68) | 1.34 (1.05–1.71) |  |  |
 40―49 | 0.76 (0.53–1.09) | 0.98 (0.65–1.49) | 0.88 (0.66–1.16) |  |  |
Wanted pregnancy at the time | |||||
 Wanted then | – | Ref | – | – | Ref |
 Wanted later | – | 0.71 (0.51–0.99) | – | – | 0.78 (0.66–0.91) |
 Unwanted | – | 1.32 (0.71–2.49) | – | – | 0.89 (0.63–1.26) |
Father’s education+ | |||||
 Secondary or higher | – | Ref | – | – | – |
 Primary | – | 1.13 (0.77–1.65) | – | – | – |
 No education | – | 1.53 (1.02–2.29) | – | – | – |
Birth rank and birth interval+ | |||||
 2 or 3 child, interval > 2 | Ref | Ref | Ref |  | Ref |
 First child | 1.45 (1.09–1.92) | 0.82 (0.59–1.15) | 1.10 (0.89―1.35) |  | 1.39 (1.18–1.63) |
 2 or 3 child, interval ≤ 2 | 1.42 (0.97–2.08) | 1.19 (0.78–1.80) | 1.27 (0.98―1.64) |  | 1.43 (1.14–1.79) |
 4 or more child, interval > 2 | 1.08 (0.77–1.53) | 1.64 (1.14–2.36) | 1.28 (0.98―1.67) |  | 1.04 (0.88–1.24) |
 4 or more child, interval ≤ 2 | 1.91 (1.30–2.79) | 2.03 (1.33–3.12) | 1.84 (1.37―2.47) |  | 1.58 (1.27–1.98) |
Child sex | |||||
 Female | Ref | – | Ref | – | Ref |
 Male | 1.59 (1.29–1.96) | – | 1.22 (1.05–1.42) | – | 1.21 (1.07–1.37) |
Mother’s perceived baby size+ | |||||
 Average or larger | Ref | Ref | Ref | – | Ref |
 Small or very small | 2.73 (2.11–3.52) | 1.43 (1.04–1.98) | 2.00 (1.63–2.45) | – | 1.90 (1.59–2.27) |
Mode of delivery+ | |||||
 Non-caesarean | Ref | Ref | Ref | – | – |
 Caesarean section | 1.94 (1.34–2.80) | 1.82 (1.14–2.91) | 1.84 (1.38–2.46) | – | – |