Table 4.

Neonatal mortality and possible severe infection by intervention group and stratified by gestational age and birth weight

Mortality within 28 days	Mustard seed oil			Sunflower (SF) seed oil			RR (SF/mustard)	95% CI
	Live births	Deaths	Rates (per 1000)	Live births	Deaths	Rates (per 1000)
All infants	16 327	520	31.8	15 676	478	30.5	0.95	0.84, 1.08
By gestational age
≥37 weeks	13 793	291	21.1	13 301	290	21.8	1.03	0.87, 1.21
<37 weeks	2533	229	90.4	2373	188	79.2	0.88	0.74, 1.05
<34 weeks	728	158	217.0	649	117	180.3	0.83	0.67, 1.02
By birth weight*
≥2500 g	8612	82	9.5	8307	58	7.0	0.74	0.53, 1.03
<2500 g	3713	113	30.4	3538	126	35.6	1.17	0.91, 1.50
<1500 g	51	23	450	62	26	419	0.93	0.61, 1.41

Possible severe infection	Mustard seed oil			SF seed oil			RR (SF/mustard)	95% CI
	Live births	Cases	Rates (per 100)	Live births	Cases	Rates (per 100)
All infants	14 145	1940	13.7	13 483	1823	13.5	0.98	0.92, 1.04
By gestational age
≥37 weeks	11 954	1618	13.5	11 466	1506	13.1	0.97	0.90, 1.03
<37 weeks	2191	322	14.7	2015	317	15.7	1.07	0.93, 1.23
<34 weeks	627	116	18.5	537	101	18.8	1.01	0.79, 1.29
By birth weight*
≥2500 g	8307	1055	12.7	8694	1159	13.3	0.95	0.88, 1.03
<2500 g	3538	550	15.5	3713	541	14.5	1.07	0.96, 1.19
<1500 g	62	27	43.5	51	19	37.2	1.17	0.74, 1.84

*Weight taken within 72 hours of birth.

RR, relative risk.