Table 1.

Demographic Details of Han, Uygur and 'Other Minority' Groups in the Sample from Xinjiang, PR China, 2003–2004 (n = 1219)

Variable	Value	Han		Uygur		Others		Total
		n	%	n	%	n	%	n	%
Place*	Urban Area	490	84.8	334	92.8	85	30.2	909	74.6
	Rural Area	88	15.2	26	7.2	196	69.8	310	25.4
	Missing	0		0		0		0
Gestation Age* (weeks)	< 37	10	2.1	21	7.8	8	3.6	39	4.1
	37+	456	97.9	248	92.2	213	96.4	917	95.9
	Missing	112		91		60		263
Birth Weight*	<2500 g	12	2.2	21	6.1	4	1.5	37	3.2
	2500–3999 g	496	88.9	285	82.4	238	90.2	1019	87.2
	4000 g+	50	9	40	11.6	22	8.3	112	9.6
	Missing	20		14		17		51
Delivery Method*	Vaginal Delivery	243	45.2	173	50.4	186	72.1	602	52.9
	Caesarean	295	54.8	170	49.6	72	27.9	537	47.1
	Missing	40		17		23		80
Birth Order*	1	456	87.7	265	77.5	203	77.8	924	82.3
	2+	64	12.3	77	22.5	58	22.2	199	17.7
	Missing	58		18		20		96
Baby's Gender	Male	287	51.2	191	54.3	138	52.3	616	52.3
	Female	274	48.8	161	45.7	126	47.7	561	47.7
	Missing	17		8		17		42
Maternal Job*	House Wife	191	35.6	169	49.1	140	53.2	500	43.7
	Sales	119	22.2	15	4.4	21	8	155	13.5
	Worker	76	14.2	37	10.8	6	2.3	119	10.4
	Farmer	54	10.1	8	2.3	33	12.5	95	8.3
	Office Worker	77	14.3	111	32.3	61	23.2	249	21.8
	Others	20	3.7	4	1.2	2	0.8	26	2.3
	Missing	41		16		18		75
Maternal Age* (years)	<25	67	13	64	19.2	53	21	184	16.7
	25–29	260	50.4	157	47.1	127	50.4	544	49.4
	30–34	160	31	85	25.5	62	24.6	307	27.9
	35+	29	5.6	27	8.1	10	4	66	6
	Missing	62		27		29		118
Maternal Education* (years)	< 9	198	37.8	133	38.8	145	53.9	476	41.9
	10–12	166	31.7	74	21.6	65	24.2	305	26.8
	13+	160	30.5	136	39.7	59	21.9	355	31.3
	Missing	54		17		12		83
Family Annual Income* (RMB)	<10000	114	28.1	79	27.8	116	49.6	309	33.5
	10000–19999	171	42.2	113	39.8	72	30.8	356	38.6
	20000+	120	29.6	92	32.4	46	19.7	258	28
	Missing	173		76		47		296
Family Members*	3	383	74.4	213	64	136	51.5	732	65.8
	4	67	13	93	27.9	49	18.6	209	18.8
	5	49	9.5	20	6	55	20.8	124	11.2
	6+	16	3.1	7	2.1	24	9.1	47	4.2
	Missing	63		27		17		107
Paternal smoking	No	164	33.7	118	34.7	101	38.5	383	35.2
	Yes	322	66.3	222	65.3	161	61.5	705	64.8
	Missing	92		20		19		131

Notes:

1. The 'other ethnic' group (n = 281) included 199 were Kazakh, 56 were Xibe and 26 Hui babies.

2. 100 Renami (RMB or CNY) is the equivalent of 12.5016 USD, 9.91190 EURO or 6.85308 GBP (Date of conversion 27 June 2006)

3. There were significant differences in all of the groups marked * (P < 0.01)