Table 4.

Logistic Regression Model for Factors Associated with Excessive Gestational Weight Gain (n = 747).

		OR a	95% CI	p-Value
Age (years)
	20–29	1
	30–39	0.66	(0.44–0.99)	0.045 *
	≥40	0.37	(0.16–0.86)	0.021 *
Pre-pregnancy BMI
	Underweight	1
	Normal	3.11	(1.78–5.41)	<0.0001 ***
	Overweight	17.29	(8.51–35.15)	<0.0001 ***
	Obese	12.71	(6.00–26.89)	<0.0001 ***
Declines in physical activity during pregnancy (METs)
	No decline	1
	1–600	1.18	(0.77–1.80)	0.441
	601–4000	1.13	(0.77–1.66)	0.519
	>4000	2.38	(1.27–4.43)	0.006 **

^a. OR, odds ratio. ORs were adjusted for other variables in the model. Abbreviations: BMI = body mass index; CI = confidence interval; p < 0.05 *, p < 0.01 **, p < 0.001 ***.