Table 2.
Comparison of Key Demographic Attributes Between the PINE Study and the Random Block Census Study.
| PINE study (n = 3,159) | Random block census study (n = 203) | χ2 | df | p value | |
|---|---|---|---|---|---|
| Age groups, n (%) | |||||
| M (SD) | 72.8 (8.3) | 76.4 (8.8) | |||
| 60–64 | 681 (21.6) | 28 (13.8) | |||
| 65–69 | 643 (20.4) | 29 (14.3) | |||
| 70–74 | 606 (19.2) | 23 (11.3) | |||
| 75–79 | 557 (17.6) | 36 (17.7) | |||
| 80–84 | 396 (12.5) | 45 (22.2) | |||
| 85 and over | 276 (8.7) | 42 (20.1) | 57.6 | 5 | <.001 |
| Sex, n (%) | |||||
| Male | 1,297 (41.1) | 73 (36.0) | |||
| Female | 1,862 (58.9) | 130 (64.0) | 1.9 | 1 | .17 |
| Education, years (%) | |||||
| M (SD) | 8.7 (5.1) | 7.9 (4.8) | |||
| 0 | 195 (6.2) | 19 (9.4) | |||
| 1–6 | 1,179 (37.6) | 80 (39.4) | |||
| 7–12 | 1,103 (35.1) | 76 (37.4) | |||
| 13–16 | 576 (18.3) | 24 (11.8) | |||
| 17 and over | 87 (2.8) | 3 (1.5) | 9.0 | 4 | .06 |
| Income, n (%) | |||||
| US$0-US$4,999 | 1,041 (33.3) | 46 (26.0) | |||
| US$5,000-US$9,999 | 1,617 (51.8) | 95 (53.7) | |||
| US$10,000-US$14,999 | 310 (9.9) | 23 (13.0) | |||
| US$15,000-US$19,999 | 68 (2.2) | 3 (1.7) | |||
| US$20,000 and over | 87 (2.8) | 10 (5.7) | 9.3 | 4 | .055 |
| Marital status, n (%) | |||||
| Married | 2,237 (71.3) | 121 (60.5) | |||
| Separated | 57 (1.8) | 0 (0.0) | |||
| Divorced | 74 (2.4) | 3 (1.5) | |||
| Widowed | 769 (24.5) | 76 (38.0) | 20.8 | 3 | <.001 |
| Number of children, n (%) | |||||
| M (SD) | 2.9 (1.5) | 3.0 (1.5) | |||
| 0–1 | 469 (14.9) | 27 (13.8) | |||
| 2 or more | 2,682 (85.1) | 169 (86.2) | 0.2 | 1 | .67 |
| Country of origin, n (%) | |||||
| Mainland China | 2,932 (92.8) | 187 (92.1) | |||
| Others | 227 (7.2) | 16 (7.9) | 0.13 | 1 | .72 |