Table 3.

The association between each chronic condition and preterm birth, low birth weight, and concurrent preterm birth and low birth weight

Condition	Preterm birth (PTB)	Low birth weight (LBW)	Concurrent PTB and LBW
	cOR [95% CI]	cOR [95% CI]	cOR [95% CI]
Hypertension
No	1.00	1.00	1.00
Yes	5.70***[3.10, 10.47]	6.58***[3.53, 12.26)	6.17***[3.31, 11.50]
Diabetes
No	1.00	1.00	1.00
Yes	0.87[0.36, 2.09]	0.46[0.17, 1.23]	0.29[0.07, 1.27]
Heart disease
No	1.00	1.00	1.00
Yes	5.48**[1.28, 23.37]	8.23**[1.63, 41.41]	8.43***[1.96, 36.11]
Asthma
No	1.00	1.00	1.00
Yes	3.53***[1.66, 7.51]	1.83[0.85, 3.93]	1.49[0.61, 3.62]
Sickle cell disease
No	1.00	1.00	1.00
Yes	5.24***[2.07, 13.22]	5.35***[2.08, 13.78]	5.34***[2.13, 13.38]
Chronic condition (s) present
No	1.00	1.00	1.00
Yes	7.80***[4.72, 12.88]	6.16***[3.80, 9.99]	6.58***[3.83, 11.31]

cOR Crude odds ratio

^*p < 0.05

^**p < 0.01

^***p < 0.001