Table 3.

Association between HMB and menstrual interference with daily life

	With HMB (N = 429)		Without HMB (N = 1927)		P value c
	n	%	n	%
In general a
Planning activities	86	20.1	288	15.0	0.009
Refraining from activities	55	12.8	136	7.1	< 0.001
Specific activity b
Sport and exercise	232	54.1	918	47.6	0.016
Holidays	195	45.5	771	40.0	0.038
Choosing clothes	192	44.8	699	36.3	0.001
Doing housework	148	34.5	567	29.4	0.039
Social activities	134	31.2	494	25.6	0.018
Sexual activity	122	28.4	554	28.8	0.886
Work/school performance	117	27.3	435	22.6	0.038
Absence from work/school
Never	360	83.9	1727	89.6	0.004
1–5 days a year	61	14.2	175	9.1
6–10 days a year	6	1.4	23	1.2
> 10 days a year	2	0.5	2	0.1

HMB heavy menstrual bleeding

^aNumber of participants reported high interference, which was defined as answers including “every month” and “quite often” to questions about how often they planned or refrained from activities regarding the menstrual bleeding in the past 12 months

^bNumber of participants reported high interference, which was defined as answers including “greatly affected” and “partly affected” to questions about menstrual interference with specific activities in the past 12 months

^cPearson chi-square test