Table 2 Prevalence and risk factors of gestational diabetes (N = 1300)

Maternal age (years)

1.03 (1.01–1.06)

–

1.03 (1.00–1.06)

 Mestizo

Reference

Reference

Reference

 Other

1.02 (0.35–3.00)

1.05 (0.35–3.10)

1.01 (0.34–3.02)

 Married or living with partner

Reference

Reference

Reference

 Single or living alone/divorced

1.01 (0.66–1.56)

1.10 (0.70–1.71)

1.04 (0.66–1.66)

 ≤6

Reference

Reference

Reference

 7–12

1.23 (0.47–3.22)

0.79 (0.3–2.11)

1.13 (0.42–3.03)

 > 12

1.35 (0.51–3.53)

0.92 (0.69–1.27)

1.13 (0.41–3.10)

 ≤6

Reference

Reference

Reference

 7–12

1.55 (0.46–5.21)

0.52 (0.15–1.76)

1.72 (0.50–5.88)

 > 12

1.88 (0.56–6.34)

0.85 (0.63–1.16)

1.98 (0.57–6.86)

 < 25 (normal weight)

Reference

Reference

Reference

 25–29.9 (overweight)

0.93 (0.67–1.31)

0.86 (0.61–1.21)

0.90 (0.63–1.27)

 ≥30 (obese)

1.49 (0.95–2.33)

1.22 (0.76–1.95)

1.29 (0.80–2.07)

 < 25 (normal weight)

Reference

Reference

Reference

 25–29.9 (overweight)

1.28 (0.87–1.90)

1.18 (0.79–1.77)

1.23 (0.82–1.87)

 ≥30 (obese)

1.83 (1.19–2.81)

1.54 (0.98–2.41)

1.64 (1.03–2.61)

P-value for trend

0.033

 No/Don’t know

Reference

–

Reference

 Yes

1.53 (1.13–2.07)

–

1.51 (1.10–2.07)

 No

Reference

Reference

Reference

 Yes

1.52 (1.09–2.12)

1.53 (1.09–2.14)

1.54 (1.09–2.17)

 Excellent

Reference

Reference

Reference

 Very good

0.47 (.13–1.74)

0.52 (0.14–1.93)

0.62 (0.16–2.34)

 Good

0.70 (0.23–2.18)

0.75 (0.24–2.35)

0.89 (0.28–2.82)

 Fair

0.62 (0.20–1.92)

0.63 (0.20–1.97)

0.69 (0.22–2.21)

 Poor

0.73 (0.20–2.75)

0.73 (0.19–2.76)

0.76 (0.20–2.92)

 Very hard/hard

Reference

Reference

Reference

 Somewhat hard

1.19 (0.74–1.91)

1.24 (0.77–1.99)

1.18 (0.73–1.93)

 Not very hard

1.16 (0.74–1.82)

1.25 (0.79–1.97)

1.19 (0.74–1.91)