Table 1b.

Sociodemographic and symptom status of all Probands from Olmsted County, MN Probands who returned the Family Information Form

	Cases (n=309)	Controls (n=336)
Age (Median [range])	66 [27, 91]	66 [25, 91]
	n (%)	n (%)
Female	154 (45%)	187 (55%)
Male	155 (51%)	149 (49%)
< 3 BM/week§	60 (56%)	48 (44%)
Not < 3 BM/week	246 (47%)	273 (53%)
Hard or lumpy stools§	270 (60%)	183 (40%)
No hard or lumpy stools	37 (21%)	137 (79%)
Straining§	279 (60%)	185 (40%)
No straining	30 (18%)	134 (82%)
Incomplete evacuation§	186 (55%)	153 (45%)
No incomplete evacuation	121 (42%)	166 (58%)
Anal blockage§	102 (52%)	95 (48%)
No blockage	205 (48%)	225 (52%)
Digitation§	79 (59%)	54 (41%)
No digitation	230 (46%)	265 (54%)
Laxatives	88 (48%)	96 (52%)
No laxatives	221 (48%)	250 (52%)
No loose or mushy stools	119 (48%)	109 (52%)
Loose or mushy stools§	190 (47%)	212 (53%)

^§variables defined as never vs. (sometimes or more)

Values in the table are N (%) unless otherwise noted.