Table 1 Characteristics of participants (N = 458).

From: Trajectories of menstrual symptoms and blood pressure in midlife: a prospective cohort study on Australian women

Measurements collected in Survey 8 of ALSWH

Mean ± SD or N (%)

Age

42.3 ± 1.5

Area of residence

 Major cities

425 (93.2)

 Regional and remote areas

31 (6.8)

Education

 University degree or higher

348 (76.0)

 Trade/certificate/diploma

82 (17.9)

 ≤12 years of schooling

28 (6.1)

Physical activity

 Nil/sedentary

49 (11.0)

 Low

109 (24.4)

 Moderate

107 (24.0)

 High

181 (40.6)

Smoking status

 Never

320 (69.9)

 Ex-smoker

111 (24.2)

 Current smoker

27 (5.9)

Current use of oral contraceptive pills

63 (13.8)

Ever diagnosis of gynaecological conditions by Survey 8α

 Endometriosis

41 (9.0)

 Uterine polyps or fibroids

27 (5.9)

 Polycystic ovary syndrome

43 (9.4)

Family history of hypertension

 Yes

215 (49.2)

 No

194 (44.4)

 Not sure

28 (6.4)

History of gestational hypertension

27 (5.9)

History of gestational diabetes

31 (6.8)

Menstrual symptoms

 Heavy menstrual bleeding

69 (15.1)

 Irregular periods

40 (8.7)

 Dysmenorrhea

29 (6.4)

Measurements collected in the M-PreM study Mean ± SD or N (%)

Systolic blood pressure (mmHg)

118.4 ± 12.1

Diastolic blood pressure (mmHg)

76.8 ± 8.6

Body mass index

 Underweight/normal weight (<25 kg/m2)

195 (42.7)

 Overweight (25–<30 kg/m2)

138 (30.2)

 Obese (≥30 kg/m2)

124 (27.1)

Waist-to-hip ratio

0.8 ± 0.1

  1. αQuestions about endometriosis, uterine polyps or fibroids, and polycystic ovary syndrome were asked in Surveys 2–8, Surveys 7–8, and Surveys 4–8, respectively. Women who reported a diagnosis in any of these surveys were classified as having that condition by Survey 8.
  2. ALSWH Australian Longitudinal Study on Women’s Health; M-PreM, Menarche-to-PreMenopause.