Skip to main content

Table 2 Study continuation and attrition by assessment period

From: Methods in a longitudinal cohort study of late reproductive age women: the Penn Ovarian Aging Study (POAS)

PERIOD CONTINUING, N (%) DROPPED, N (%)
1 436 __
2 394 (90) 42 (10)
3-4 366 (84) 28 (6)
5-6 353 (84) 13 (3)
7-8 320 (73) 33 (8)
9-10 311 (71) 9 (2)
11-12 301 (69) 10 (2)
13-14 293 (67) 8 (2)
TOTAL 293 (67) 143 (33)