Table 1 Socio-demographic characteristics of the 3,909 women in the cohort at first birth

Education level

0.19

  ≤ 12 years

2,590

2,400

190 (7.3)

  >12 years

1,319

1,237

82 (6.2)

Body Mass Index**

0.06

  Underweight (<18.5)

520

463

57 (11.0)

  Normal (18.5-24.9)

204

183

21 (10.3)

  Overweight (25–29.9)

302

285

17 (5.6)

  Obese (>= 30)

216

201

15 (7.7)

Number of ANC visits

<0.001

  < 5

2,231

2,028

203 (8.8)

  >= 5

1,678

1,609

69 (4.3)

Maternal age: mean (SD^†)

25.9 (4.9)

26.3 (5.2)

0.94

All women

3,909

3,637

272 (6.9)