| Before = 0 | Before excluded | ||||
---|---|---|---|---|---|---|
Unadjusted model | Adjusted modela | Unadjusted model | Adjusted modela | |||
Low birth weight (LBW) | N | Â | 680/8353 | 680/8353 | 356/3960 | 356/3960 |
RR (95%CI) | Level2 (0 ~ 0.14):Level1 (0) | 0.217 (0.031, 1.518) | 0.253 (0.036, 1.784) | 0.1881 (0.027, 1.318) | 0.213 (0.030, 1.508) | |
Level3 (> = 0.14):Level1 (0) | 1.076 (0.894, 1.297) | 1.046 (0.689, 1.260) | 0.923 (0.757, 1.148) | 0.920 (0.748, 1.131) | ||
Preterm birth (PTB) | N | Â | 932/7788 | 932/7788 | 434/3764 | 434/3764 |
RR (95%CI) | Level2 (0 ~ 0.33):Level1 (0) | 1.093 (0.876, 1.363) | 1.094 (0.878, 1.366) | 1.135 (0.894, 1.440) | 1.142 (0.900, 1.448) | |
Level3 (> = 0.33):Level1 (0) | 0.824 (0.663, 1.023) | 0.805 (0.648, 0.999) | 0.856 (0.677, 1.082) | 0.847 (0.670, 1.070) | ||
Small for gestational age (SGA) | N | Â | 947/7788 | 947/7788 | 497/3764 | 497/3764 |
RR (95%CI) | Level 2 (0 ~ 0.33):Level1 (0) | 0.935 (0.735, 1.188) | 0.947 (0.746, 1.201) | 0.831 (0.645, 1.069) | 0.860 (0.670, 1.103) | |
Level3 (> = 0.33):Level1 (0) | 1.112 (0.922, 1.340) | 1.057 (0.879, 1.272) | 0.988 (0.808, 1.209) | 0.959 (0.784, 1.172) | ||
Caesarean section | N | Â | 1869/8207 | 1869/8207 | 895/3901 | 895/3901 |
RR (95%CI) | Level2 (0 ~ 0.33):Level1 (0) | 0.843 (0.712, 0.998) | 0.880 (0.748, 1.035) | 0.830 (0.694, 0.992) | 0.879 (0.704, 1.043) | |
Level3 (> = 0.33):Level1 (0) | 1.092 (0.936, 1.237) | 1.024 (0.911, 1.151) | 1.075 (0.938, 1.233) | 1.025 (0.901, 1.167) | ||
No breastfeeding | N | Â | 2249/7018 | 2249/7018 | 1093/3352 | 1093/3352 |
RR (95%CI) | Level2 (0 ~ 0.33):Level1 (0) | 0.968 (0.846, 1.108) | 0.979 (0.850, 1.108) | 0.941 (0.816, 1.087) | 0.941 (0.818, 1.082) | |
Level3 (> = 0.33):Level1 (0) | 1.019 (0.911, 1.140) | 1.022 (0.915, 1.141) | 0.991 (0.878, 1.120) | 0.987 (0.876, 1.113) | ||
Gestational month of 1st PNC | N | Â | 7324 | 7324 | 3531 | 3531 |
Difference (95%CI) | Level2 (0 ~ 0.18):Level1 (0) | -0.165 (-0.391, 0.060) | -0.133 (-0.361, 0.095) | -0.242 (-0.475, -0.009) | -0.207 (-0.442, 0.028) | |
Level3 (> = 0.18):Level1 (0) | 0.151 (0.037, 0.265) | 0.126 (0.012, 0.239) | 0.074 (-0.055, 0.202) | 0.043 (-0.086, 0.171) |