Table III.

2-year incidence of frequent^* urinary incontinence by incontinence type^†

Age (years)	N	Stress		Urge		Mixed
		Cases	%	Cases	%	Cases	%
36–40	5,012	58	1.2	22	0.4	17	0.3
41–45	10,307	189	1.8	38	0.4	58	0.6
46–50	11,301	219	1.9	58	0.5	79	0.7
51–55	7,056	123	1.7	30	0.4	62	0.9
Total	33,676	589	1.7	148	0.4	216	0.6

^*Defined as leaking at least once per week

^†Cases of incident frequent incontinence with missing data on incontinence type symptoms are excluded from these calculations