Table 2. Demographics per stage of change.
| Precontemplation(n=4391), n (%) | Contemplation(n=4641), n (%) | Preparation(n=4006), n (%) | Action(n=945), n (%) | Maintenance(n=6590), n (%) | Chi-square (df) | P value | ||
|---|---|---|---|---|---|---|---|---|
| Gender | 238.6 (4) | <.001 | ||||||
| Men | 2123 (48.3) | 1789 (38.5) | 2017 (50.3) | 457 (48.4) | 3486 (52.9) | |||
| Women | 2268 (51.7) | 2852 (61.5) | 1989 (49.7) | 488 (51.6) | 3104 (47.1) | |||
| Age group (years) | 994.9 (12) | <.001 | ||||||
| <30 | 605 (13.8) | 782 (16.8) | 557 (13.9) | 222 (23.5) | 624 (9.5) | |||
| 30-44 | 974 (22.2) | 1218 (26.2) | 861 (21.5) | 249 (26.3) | 1026 (15.6) | |||
| 45-59 | 1230 (28.0) | 1308 (28.2) | 1018 (25.4) | 198 (21.0) | 1336 (20.3) | |||
| >60 | 1582 (36.0) | 1333 (28.7) | 1570 (39.2) | 276 (29.2) | 3604 (54.7) | |||
| Marital status | 71.3 (4) | <.001 | ||||||
| Yes | 2581 (58.8) | 2861 (61.6) | 2574 (64.3) | 574 (60.7) | 4364 (66.2) | |||
| No | 1810 (41.2) | 1780 (38.4) | 1432 (35.7) | 371 (39.3) | 2226 (33.8) | |||
| One or more children | 116.5 (4) | <.001 | ||||||
| Yes | 2554 (58.2) | 2732 (58.9) | 2488 (62.1) | 523 (55.3) | 4375 (66.4) | |||
| No | 1837 (41.8) | 1909 (41.1) | 1518 (37.9) | 422 (44.7) | 2215 (33.6) | |||
| Education level | 177.0 (16) | <.001 | ||||||
| Middle school | 167 (3.8) | 96 (2.1) | 96 (2.4) | 24 (2.5) | 130 (2.0) | |||
| High school | 1510 (33.4) | 1407 (30.3) | 1241 (31.0) | 258 (27.3) | 1973 (29.9) | |||
| Some college | 1009 (23.0) | 1231 (26.5) | 883 (22.0) | 218 (23.1) | 1374 (20.8) | |||
| College and above | 1662 (37.9) | 1876 (40.4) | 1739 (43.4) | 436 (46.1) | 3077 (46.7) | |||
| Others | 43 (1.0) | 31 (0.7) | 47 (1.2) | 9 (1.0) | 36 (0.5) | |||
| Job | 207.2 (4) | <.001 | ||||||
| Yes | 2666 (60.7) | 3040 (65.5) | 2558 (63.9) | 609 (64.4) | 3527 (53.5) | |||
| No | 1725 (39.3) | 1601 (34.5) | 1448 (36.1) | 336 (35.6) | 3063 (46.5) | |||
| Household income (¥ a) | 190.9 (20) | <.001 | ||||||
| <3 million | 1101 (25.1) | 948 (20.4) | 825 (20.6) | 191 (20.2) | 1369 (20.8) | |||
| 3-5 million | 1054 (24.0) | 1111 (23.9) | 942 (23.5) | 228 (24.1) | 1674 (25.4) | |||
| 5-7 million | 628 (14.3) | 743 (16.0) | 665 (16.6) | 157 (16.6) | 950 (14.4) | |||
| 7-10 million | 439 (10.0) | 609 (13.1) | 527 (13.2) | 131 (13.9) | 877 (13.3) | |||
| ≥10 million | 291 (6.6) | 318 (6.9) | 315 (7.9) | 69 (7.3) | 699 (10.6) | |||
| No answer | 878 (20.0) | 912 (19.7) | 732 (18.3) | 169 (17.9) | 1021 (15.5) | |||
a
A currency exchange rate of ¥140=US $1 is applicable.