Research Article
Associations of Subjective Social Status with Physical Activity and Body Mass Index across Four Asian Countries
Table 1
Sample demographics stratified by country and gender.
| | | China () | Japan () | South Korea () | Taiwan () | | | Male
() | Female
() | Male
() | Female
() | Male
() | Female
() | Male
() | Female
() |
| | Age (mean (SD)) | 43.1 (12.3) | 42.3 (12.0) | 45.0 (12.6) | 44.9 (12.3) | 40.1 (12.1) | 39.5 (11.5) | 40.5 (13.6) | 41.5 (13.4) | | Education level (% ()) | | | | | | | | | | <High school | 61.6 (979) | 66.0 (1123) | 8.5 (65) | 3.8 (36) | 11.6 (73) | 14.7 (101) | 19.4 (175) | 29.7 (272) | | High school | 20.3 (322) | 17.9 (304) | 44.4 (340) | 52.7 (502) | 29.4 (186) | 36.0 (247) | 30.0 (270) | 25.8 (236) | | College and above | 18.2 (289) | 16.2 (275) | 47.1 (360) | 43.5 (414) | 59.0 (373) | 49.3 (338) | 50.6 (455) | 44.5 (407) | | Marital status (% ()) | | | | | | | | | | Single | 14.3 (227) | 9.7 (164) | 27.4 (210) | 17.0 (163) | 34.7 (219) | 23.2 (159) | 39.3 (353) | 29.9 (292) | | Married | 80.5 (1275) | 83.3 (1411) | 68.8 (528) | 75.9 (726) | 59.7 (377) | 69.0 (472) | 54.4 (493) | 60.2 (548) | | Divorced/widowed | 5.1 (81) | 7.0 (118) | 3.8 (29) | 7.1 (68) | 5.5 (35) | 7.7 (53) | 5.9 (53) | 10.0 (91) | | Occupation (% ()) | | | | | | | | | | Manual | 51.9 (825) | 36.1 (615) | 40.0 (307) | 21.8 (209) | 27.4 (174) | 15.9 (109) | 37.0 (333) | 23.0 (210) | | Nonmanual | 24.8 (618) | 25.3 (430) | 46.0 (353) | 44.2 (423) | 49.4 (313) | 37.8 (259) | 39.0 (351) | 42.6 (390) | | No current work Income | 23.3 (370) | 38.6 (657) | 14.0 (107) | 34.0 (326) | 23.2 (147) | 46.4 (318) | 24.0 (216) | 34.4 (315) | | SSS (mean (SD)) | 3.9 (1.7) | 4.1 (1.7) | 5.12 (1.7) | 5.3 (1.6) | 4.7 (1.7) | 4.7 (1.6) | 4.8 (1.6) | 5.1 (1.5) | | Weight status (% ())* | | | | | | | | | | Underweight (BMI < 18.5) | 6.9 (110) | 13.2 (225) | 4.0 (31) | 18.2 (174) | 2.2 (14) | 13.1 (90) | 5.1 (46) | 11.9 (109) | | Normal weight (BMI = 18.5 to 22.9) | 48.3 (768) | 50.0 (851) | 46.8 (359) | 56.6 (542) | 41.2 (261) | 60.4 (414) | 33.9 (305) | 48.3 (442) | | Overweight (BMI = 23.0 to 27.4) | 35.2 (560) | 30.4 (518) | 38.3 (294) | 20.9 (200) | 47.2 (299) | 21.9 (150) | 44.3 (399) | 29.5 (270) | | Obese (BMI ≥ 27.5) | 9.6 (152) | 6.4 (108) | 10.8 (83) | 4.4 (42) | 9.5 (60) | 4.7 (32) | 16.7 (150) | 10.3 (94) | | Weight status (% ())** | | | | | | | | | | Underweight (BMI < 18.5) | 6.9 (110) | 13.2 (225) | 4.0 (31) | 18.2 (174) | 2.2 (14) | 13.1 (90) | 5.1 (46) | 11.9 (109) | | Normal weight (BMI = 18.5 to 24.9) | 68.5 (1089) | 67.5 (1148) | 70.7 (542) | 69.6 (667) | 67.8 (430) | 73.3 (503) | 55.1 (496) | 63.9 (585) | | Overweight (BMI = 25.0 to 29.9) | 21.4 (340) | 17.3 (294) | 20.5 (157) | 10.7 (102) | 26.8 (170) | 12.5 (86) | 34.0 (306) | 19.5 (172) | | Obese (BMI ≥ 30) | 3.2 (51) | 2.1 (35) | 4.8 (37) | 1.6 (15) | 3.2 (20) | 1.0 (7) | 5.8 (52) | 5.4 (49) |
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Asia-specific BMI “trigger” cut-off points [27].
**World Health Organization standard BMI cut-off points [27].
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