Skip to main content

Table 1 Self-reported and consolidated derived menopausal status for women in the 45 and Up Study

From: Accurate categorisation of menopausal status for research studies: a step-by-step guide and detailed algorithm considering age, self-reported menopause and factors potentially masking the occurrence of menopause

Menopausal status

Post-menopause

Peri-menopause

Pre-menopause

Unknown

n (% total; % change compared to self-report)

n (% total; % change compared to self-report)

n (% total; % change compared to self-report)

n (% total; % change compared to self-report)

Self-reported

93,107 (65.1)

9,076 (6.4)

17,930 (12.5)

22,860 (16.0)

Consolidated—reference methoda

105,817 (74.0%; + 8.9%)

10,785 (7.5%; + 1.2%)

15,582 (10.9%; − 1.6%)

10,789 (7.6%; − 8.4%)

Consolidated—conservative methodb

102,008 (71.4%; + 6.2%)

10,785 (7.5%; + 1.2%)

15,582 (10.9%; − 1.6%)

14,598 (10.2%; − 5.8%)

Consolidated—least-conservative methodc

107,394 (75.1%; + 10.0%)

10,785 (7.5%; + 1.2%)

15,582 (10.9%; − 1.6%)

9,212 (6.4%; − 9.6%)

Consolidated—reference method without re-classifying women with detailed “unknown” status

92,629 (62.7%; − 0.3%)

10,785 (7.5%; + 1.2%)

15,582 (10.9%; − 1.6%)

23,977 (16.8%; + 0.8%)

Consolidated—conservative method without re-classifying women with detailed “unknown” status

89,683 (65.6%; − 2.4%)

10,785 (7.5%; + 1.2%)

15,582 (10.9%; − 1.6%)

26,923 (18.8%; + 2.8%)

Consolidated—least-conservative method without re-classifying women with detailed “unknown” status

93,849 (65.6%; + 0.5%)

10,785 (7.5%; + 1.2%)

15,582 (10.9%; − 1.6%)

22,757 (15.9%; − 0.1%)

  1. aUnknown or possibly masked status re-classified to “post-menopause” status for women aged ≥ 55 years at baseline
  2. bUnknown or possibly masked status re-classified to “post-menopause” status for women aged ≥ 57 years at baseline
  3. cUnknown or possibly masked status re-classified to “post-menopause” status for women aged ≥ 54 years at baseline