Table 1

Demographic factors in 1994–1996 and 2003–2004, Shihezi, Xinjiang, PR China


1994–1996
 2003–2004
Characteristic
 Values
 n
 %
 n
 %
Ethnicity
 Han Chinese
 797
 97
 490
 89.9

Minorities
 25
 3
 55
 10.1
Maternal work
 Farmer
 138
 16.8
 60
 10.9

Housewife
 68
 8.3
 174
 32.0

Worker
 442
 53.8
 82
 15.1

Office Worker
 118
 14.3
 82
 15.1

Others
 56
 6.8
 142
 26.8
Gestation
 <37 Weeks
 33
 4
 7
 1.7

37–41 Weeks
 720
 87.6
 397
 96.1

42+ Weeks
 69
 8.4
 9
 2.2

Missing

132
Birth Order
 1
 737
 89.7
 483
 88.8

2+
 85
 10.3
 61
 11.2
Baby's Gender
 Male
 444
 54
 280
 51.4

Female
 378
 46
 265
 48.6
Birth Weight
 <2500 g
 36
 4.4
 11
 2.1

2500–2999 g
 132
 16.1
 60
 11.5

3000–3499 g
 358
 43.5
 191
 36.5

3500–3999 g
 232
 28.2
 214
 40.8

4000 g+
 64
 7.8
 48
 9.2

Missing

21
Total
822
545

Xu et al. International Breastfeeding Journal 2006 1:22   doi:10.1186/1746-4358-1-22