Epidemiological survey of adult female stress urinary incontinence

BMC Women's Health

Table 1 Relationship between demographic characteristics and SUI

Demographic characteristics	N	SUI		χ²	P
Demographic characteristics	N	N	%	χ²	P
Place of residence
Urban	1869	564	30.2	17	< 0.001
Rural	2135	777	36.4
Age (years)
20–29	1455	333	22.9	128	< 0.001
30–39	820	293	35.7
40–49	882	384	43.5
50–59	532	201	37.8
≥ 60	315	130	41.3
Occupation
Manual work	637	279	43.8	55	< 0.001
Mental work	1944	563	29
Manual/mental work	783	295	37.7
Unemployed	640	204	31.9
BMI (kg/m²)
< 18.5	464	130	28	154	< 0.001
18.5–24	2353	644	27.4
> 24	1187	567	47.8
Physical exercise (times/week)
0	1784	620	34.8	6.6	0.09
1–2	1183	401	33.9
3–4	595	173	29.1
≥ 5	442	147	33.3
Sedentary
Yes	2537	764	30.1	35	< 0.001
No	1467	577	39.3
Smoking
Yes	92	45	48.9	10	0.002
No	3912	1296	33.1
Drinking
Yes	217	56	25.8	6	0.01
No	3787	1285	33.9
Daily water intake (ml)
< 500	533	150	28.1	8	0.04
500–1000	2212	753	34
1000–2000	927	324	35
> 2000	332	114	34.3
Diet
Mainly staple food (noodles, buns)	1775	690	38.9	55	< 0.001
Mainly vegetables and fruits	221	40	18.1
Mainly meat protein	87	29	33.3
Balanced diet consisting of three types above	1921	582	30.3

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