Epidemiological study: Correlation between diet habits and constipation among elderly in Beijing region

Table 1 Age, region (rural, urban) and gender in relation with constipation

Items	Cases	Prevalence	Constipation	χ2
Gender
Male	1213	158	13.0	0.981
Female	1563	224	14.3
Region
Urban	1512	216	14.3	0.771
Rural	1264	166	13.1
Agea
60-65	510	41	8.0	41.338
65-70	485	54	11.1
70-75	551	62	11.3
75-80	607	114	18.8
> 80	623	111	17.8
Total	2776

^aP < 0.001.