Table 5.

Regression analysis for adjusted mean birth weight (g), n = 122; R² (adjusted) = 63.99%.

Term	Coefficient	95% CI	Contribution	t value	P value
Constant	−1190	−1775–−604		−4.03	<0.001*
Pre-pregnancy BMI	−1.0	−5.9–3.8	1.39%	−0.43	0.671
Gestational age	105.0	90.6–119.4	64.10%	14.45	<0.001*
Second trimester activity level (active- reference level)
Second trimester activity level (inactive)	8.9	−40.1–57.9	0.01%	0.36	0.718
Area of residence (urban-reference level)
Area of residence (sub-urban)	4.3	−66.8–75.5	0.56%	0.01	0.904
Area of residence (rural)	31.5	−39.6–102.7		0.88	0.382
Previous history of LBW (yes- reference level)
Previous history of LBW (no)	1.6	−54.9–58.2	0.01%	0.06	0.954
Parity (primiparous-reference level)
Parity (multiparous)	4.8	−42.7–52.3	0.01%	0.20	0.842

*p < 0.05.