TABLE 1.
Study 1* | Study 2† | ||
---|---|---|---|
Characteristic | n (SD) | n (SD) | P Value |
Age, y | |||
Mean (SD) | 42.4 (11.7) | 48.5 (12.0) | <.001 |
Mode | 45 | 48 | |
Median | 41.0 | 48.0 | |
Range | 20–86 | 20–101 | |
n (%) | n (%) | χ2 | |
Age groups | |||
20–39 y | 369 (39) | 338 (22) | 1.40 |
40–49 y | 242 (26) | 466 (30) | 70.87‡ |
50+ y | 191 (20) | 652 (42) | 252.10‡ |
Unspecified | 146 (15) | 84 (6) | 16.71‡ |
Full Sample | 948 (100) | 1540 (100) | 212.20‡ |
Ethnic group§ | |||
Chinese | 302 (32) | 390 (25) | 11.19‡ |
Filipino | 248 (26) | 418 (27) | 43.39‡ |
Korean | 123 (13) | 376 (25) | 128.28‡ |
Vietnamese | 275 (29) | 356 (23) | 10.40‡ |
Full Sample | 948 (100) | 1540 (100) | 55.53‡ |
English as the native language | |||
Chinese | 16 (2) | 52 (13) | 12.55‡ |
Filipino | 17 (2) | 102 (25) | 33.11‡ |
Korean | 3 (1) | 49 (13) | 11.23‡ |
Vietnamese | 3 (1) | 8 (2) | 1.23 |
Total | 39 (4) | 211 (14) | 171.45‡ |
N = 948.
N = 1540.
For Study 1, the goal was to recruit the same portion of participants in each ethnic group.
For Study 2, the goal was to recruit equal sized ethnic groups with follow-up data rather than meeting the same proportions of participants as had been recruited in the earlier study.