Supplementary Table 2. Characteristics of 1418 women by socioeconomic status, Japan, 2010.
Employment status |
Marital status |
Length of education |
Equivalent household expenditures |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Employed | Unemployed | P | Married | Unmarried | P | ≥ 13 years | < 13 years | P | Upper 4 quintiles | Lowest quintile | P | |
(n = 611) | (n = 807) | (n = 1050) | (n = 368) | (n = 445) | (n = 973) | (n = 1139) | (n = 279) | |||||
Age, years | 50.0 (13.9) | 62.7 (15.0) | < 0.001 | 56.5 (14.2) | 59.3 (19.7) | < 0.001 | 47.3 (13.8) | 61.8 (14.5) | < 0.001 | 56.6 (15.6) | 59.7 (16.3) | < 0.001 |
Body mass index, kg/m2 | 22.2 (3.5) | 22.9 (3.5) | < 0.001 | 22.5 (3.4) | 22.8 (3.9) | 0.52 | 21.7 (3.1) | 23.0 (3.6) | < 0.001 | 22.5 (3.4) | 22.8 (3.8) | 0.54 |
Systolic BP, mmHg | 123.6 (18.3) | 133.1 (20.2) | < 0.001 | 128.2 (19.2) | 131.3 (22.0) | 0.03 | 121.4 (17.9) | 132.5 (19.9) | < 0.001 | 128.6 (19.8) | 130.8 (20.6) | 0.10 |
Diastolic BP, mmHg | 75.7 (10.4) | 78.2 (11.0) | < 0.001 | 77.5 (10.7) | 76.1 (11.2) | 0.05 | 75.4 (10.5) | 77.9 (10.9) | < 0.001 | 77.3 (10.8) | 76.5 (11.0) | 0.48 |
Total cholesterol, mmol/L | 5.34 (0.91) | 5.45 (0.93) | 0.027 | 5.38 (0.90) | 5.45 (1.00) | 0.46 | 5.29 (0.94) | 5.45 (0.91) | 0.001 | 5.42 (0.92) | 5.33 (0.93) | 0.15 |
HDL cholesterol, mmol/L | 1.78 (0.39) | 1.68 (0.39) | < 0.001 | 1.73 (0.38) | 1.72 (0.44) | 0.44 | 1.80 (0.39) | 1.69 (0.39) | < 0.001 | 1.74 (0.40) | 1.68 (0.40) | 0.02 |
LDL cholesterol, mmol/L | 3.03 (0.80) | 3.13 (0.82) | 0.02 | 3.08 (0.78) | 3.11 (0.89) | 0.83 | 3.01 (0.82) | 3.13 (0.81) | 0.002 | 3.10 (0.81) | 3.02 (0.82) | 0.10 |
Triglycerides, mmol/L† | 0.99 (0.68–1.47) | 1.19 (0.81–1.68) | < 0.001 | 1.10 (0.75–1.56) | 1.10 (1.10–1.36) | 0.61 | 0.93 (0.65–1.37) | 1.17 (0.81–1.67) | < 0.001 | 1.07 (0.73–1.56) | 1.18 (0.78–1.70) | 0.08 |
Hypertension§ | 173 (28.3) | 394 (48.8) | < 0.001 | 388 (37.0) | 179 (48.6) | < 0.001 | 102 (22.9) | 465 (47.8) | < 0.001 | 439 (38.5) | 128 (45.9) | 0.03 |
Diabetes mellitus‡ | 33 (5.4) | 82 (10.2) | 0.002 | 78 (7.4) | 37 (10.1) | 0.14 | 13 (2.9) | 102 (10.5) | < 0.001 | 87 (7.6) | 28 (10.0) | 0.23 |
Smoking | ||||||||||||
Ex-smoker | 61 (10.0) | 62 (7.7) | < 0.001 | 96 (9.2) | 27 (7.4) | 0.02 | 48 (10.8) | 75 (7.7) | 0.10 | 99 (8.7) | 24 (8.6) | 0.96 |
Current smoker | 62 (10.2) | 40 (5.0) | 64 (6.1) | 38 (10.4) | 27 (6.1) | 75 (7.7) | 83 (7.3) | 19 (6.8) | ||||
Regular exercise* | 133 (21.8) | 310 (38.6) | < 0.001 | 317 (30.3) | 126 (34.2) | 0.18 | 112 (25.2) | 331 (34.1) | 0.001 | 355 (31.2) | 88 (31.7) | 0.95 |
Alcohol consumption, g/week¶ | 0.0 (0–28.8) | 0.0 (0–5.8) | < 0.001 | 0.0 (0–17.3) | 0.0 (0–17.3) | 0.23 | 0.0 (0–40.3) | 0.0 (0–5.8) | < 0.001 | 0.0 (0–17.3) | 0.0 (0–17.3) | < 0.001 |
Abbreviations: BP, blood pressure; HDL, high-density lipoprotein; LDL, low-density lipoprotein.
Data are shown as mean (standard deviation), median (interquartile range), or n (%).
Triglycerides are shown as the median and interquartile range.
Defined as participants who met 1 or more of the following criteria: 1) systolic BP ≥ 140 mm Hg and/or diastolic BP ≥ 90 mm Hg; or 2) receiving antihypertensive medication.
Defined as participants who met 1 or more of the following criteria: 1) fasting plasma glucose level ≥ 126 mg/dL (≥ 7.0 mmol/L); or 2) nonfasting plasma glucose level ≥ 200 mg/dL (≥ 11.1 mmol/L); 3) hemoglobin A1c ≥ 6.5%; or 4) receiving antidiabetic medication.
Defined as participants who engaged in ≥ 30 minutes of exercise for ≥ 2 days/week for < 1 year.
Alcohol consumption is shown as the median and interquartile range.