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117 5 MATERNAL CHARACTERISTICS AS INDICATIONS FOR ROUTINE IOL | 9 GOODARZI et al. Total mortality among women pregnant at 37 + 0 wks (model 1) Mortality in week 37 among women pregnant at 37 + 0 wks (model 2) Mortality in week 38 among women pregnant at 38 + 0 (model 3) Mortality in week 39 among women pregnant at 39 + 0 wks (model 4) Mortality in week 40 among women pregnant at 40 + 0 wks (model 5) Mortality in week 41 among women pregnant at 41 + 0 wks (model 6) OR [95% CI] aORa [95% CI] OR [95% CI] aOR [95% CI] OR [95% CI] aOR [95% CI] OR [95% CI] aOR [95% CI] OR [95% CI] aOR [95% CI] OR [95% CI] aOR [95% CI] P3+ 1.45 [1.12- 1.90]* 1.27 [0.96-1.69] 2.43 [1.28- 4.62]* 2.53 [1.36- 5.11]* 1.66 [0.87- 3.17] 1.96 [0.99- 3.89] 1.40 [0.79- 2.46] 1.21 [0.67- 2.21] 1.62 [0.96- 2.72] 1.44 [0.83- 2.50] 0.78 [0.34- 1.61] 0.58 [0.27- 1.23] Age <25 y 1.11 [0.86- 1.44] 1.02 [0.79-1.33] 1.97 [1.07- 3.61]* 1.93 [1.04- 3.60]* 1.36 [0.79- 2.32] 1.44 [0.83- 2.49] 0.96 [0.54- 1.70] 0.87 [0.49- 1.56] 0.90 [0.52- 1.56] 0.81 [0.46- 1.42] 0.84 [0.42- 1.69] 0.70 [0.35- 1.40] 25-29 y(reference group) 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 30-34 y 1.02 [0.86- 1.22] 1.07 [0.89-1.28] 0.85 [0.50- 1.45] 0.85 [0.49- 1.47] 0.86 [0.57- 1.29] 0.87 [0.57- 1.33] 1.13 [0.79- 1.63] 1.11 [0.7- 1.62] 0.97 [0.68- 1.34] 1.00 [0.70- 1.44] 1.00 [0.67- 1.52] 1.16 [0.76- 1.78] 35-39 y 1.15 [0.92- 1.44] 1.20 [0.95-1.51] 1.52 [0.85- 2.71] 1.41 [0.76- 2.61] 0.79 [0.45- 1.38] 0.75 [0.42- 1.35] 1.09 [0.68- 1.73] 1.09 [0.67- 1.77] 1.03 [0.67- 1.59] 1.07 [0.68- 1.68] 1.12 [0.68- 1.85] 1.45 [0.86- 2.44] x P0 1.47 [1.04-2.07]* ≥40 y 1.95 [1.22- 2.86]* 1.82 [1.23-2.72]* 1.05 [0.25- 4.43] 0.83 [0.19- 3.38] 0.96 [0.30- 3.11] 0.84 [0.26- 2.78] 2.52 [1.24- 5.12]* 2.07 [0.96- 4.47] 1.38 [0.59- 3.19] 1.29 [0.54- 3.04] 2.40 [1.12- 5.13]* 3.08 [1.41- 6.72]* x P0 3.99 [2.37-6.72]* Socioeconomic status Low 1.11 [0.93- 1.32] 1.03 [0.86-1.23] 1.25 [0.79- 1.97] 1.08 [0.67- 1.72] 1.00 [0.65- 1.49] 0.89 [0.58- 1.37] 1.19 [0.83- 1.70] 1.13 [0.78- 1.65] 1.20 [0.86- 1.67] 1.10 [0.78- 1.55] 1.16 [0.77- 1.75] 1.12 [0.73- 1.71] Medium (reference group) 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 High 0.83 [0.69- 1.01] 0.84 [0.69-1.01] 0.59 [0.33- 1.06] 0.62 [0.34- 1.11] 0.74 [0.47- 1.15] 0.78 [0.49- 1.22] 1.04 [0.72- 1.50] 1.05 [0.72- 1.53] 0.67 [0.45- 0.99] 0.69 [0.46- 1.02] 0.96 [0.63- 1.46] 0.96 [0.63- 1.46] aAdjusted for the other maternal characteristics as potential confounders. *P value <0.05. TABLE 3 (Continued)

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