Lower Urinary Tract Symptoms in Female Nurses: Evidence from the Nurse Urinary Related Health Study of China

Table 4

Factors associated with lower urinary tract symptoms in female nurses (n = 13,046).

Variables	OR	95% CI
Age (ref. = <40 years)
≥40 years	1.147	1.005–1.309	0.042
Race/ethnicity (ref. = Han Chinese)
Other	1.342	0.926–1.944	0.120
Educational background (ref. = below bachelor degree)
Bachelor degree or higher	0.944	0.856–1.041	0.251
Marital status (ref. = single, separated, divorced, or widowed)
Married	1.161	1.015–1.329	0.030
Monthly income (ref. = ≤RMB 6000.00)
>RMB 6000.00	1.060	0.975–1.153	0.169
Parity (ref. = 0)
1	1.466	1.283–1.676	<0.001
≥2	1.609	1.388–1.866	<0.001
BMI (ref. = underweight/normal)
Overweight/obesity	1.208	1.114–1.311	<0.001
Chronic disease (ref. = no)
Yes	1.564	1.267–1.930	<0.001
Chronic constipation (ref. = no)
Yes	1.812	1.670–1.967	<0.001
Alcohol use (ref. = no)
Yes	1.258	1.095–1.444	0.001
Smoking (ref. = no)
Yes	1.168	0.640–2.132	0.612
Taking part in physical exercise (ref. = no)
Yes	0.819	0.745–0.901	<0.001
Average fluid intake per day (ref. = ≤500 ml)
500 ml–1500 ml	0.803	0.726–0.888	<0.001
>1500 ml	0.732	0.652–0.822	<0.001
Working years (ref. = ≤5)
5–10	1.244	1.112–1.391	<0.001
>10	1.246	1.076–1.444	0.003
Professional title (ref. = senior nurse or below)
Supervisor nurse or higher	0.998	0.895–1.113	0.970
Work hours per week (ref. = ≤40)
>40	1.264	1.175–1.360	<0.001
Night shift in the past 6 months (ref. = no)
Yes	1.065	0.977–1.161	0.153
Hospital level (ref. = level B major tertiary hospital)
Level A major tertiary hospital	1.226	1.111–1.352	<0.001
Nurse-to-bed ratio (ref. = 0.36 to <0.40)
0.40–0.60	0.626	0.503–0.779	<0.001
≥0.60 to 0.79	0.647	0.518–0.808	<0.001

CI = confidence interval; OR = odds ratio; ref. = reference.