Table 3.
Sample characteristics overall and stratified by sex in the Health and Retirement Study [1]
| Overall N = 18 815 | Low risk OSA*N = 10 018 | Known or suspected OSA*N = 8797 | ||||
|---|---|---|---|---|---|---|
| Characteristic | Women† | Men† | Women† | Men† | Women† | Men† |
| Sample size (%) | 11 023 (54) | 7792 (46) | 7482 (69)‡ | 2536 (32)‡ | 3541 (31)‡ | 5256 (68)‡ |
| Age at the first cognitive assessment for analysis | ||||||
| 50–54 | 3481 (33) | 2307 (32) | 2200 (30) | 733 (33) | 1,281 (38) | 1574 (32) |
| 55–59 | 2273 (22) | 1,880 (26) | 1433 (22) | 560 (23) | 840 (24) | 1320 (28) |
| 60–64 | 1431 (16) | 961 (15) | 950 (16) | 281 (15) | 481 (16) | 680 (15) |
| 65–69 | 1138 (10) | 760 (11) | 772 (10) | 224 (10) | 366 (10) | 536 (11) |
| 70–74 | 1255 (8) | 920 (7) | 940 (9) | 311 (8) | 315 (6) | 609 (7) |
| 75–79 | 821 (5) | 588 (5) | 651 (6) | 233 (6) | 170 (4) | 355 (4) |
| 80–84 | 421 (3) | 260 (2) | 355 (4) | 125 (3) | 66 (2) | 135 (2) |
| 85+ | 203 (2) | 116 (1) | 181 (3) | 69 (2) | 22 (1) | 47 (1) |
| Race/Ethnicity§ | ||||||
| White | 6354 (74) | 4621 (74) | 4494 (76) | 1553 (76) | 1860 (70) | 3068 (74) |
| Hispanic | 1753 (10) | 1264 (10) | 1,179 (10) | 411 (10) | 574 (11) | 853 (10) |
| Black | 2450 (11) | 1510 (10) | 1484 (10) | 437 (8) | 966 (14) | 1073 (10) |
| Other | 466 (5) | 397 (6) | 325 (5) | 135 (7) | 141 (5) | 262 (6) |
| Education | ||||||
| Below college | 7554 (62) | 5083 (58) | 5066 (61) | 1577 (54) | 2488 (65) | 3506 (60) |
| College/Graduate degree | 3469 (38) | 2709 (42) | 2416 (39) | 959 (46) | 1053 (35) | 1750 (40) |
| Cohabitation | ||||||
| Yes | 6576 (65) | 6067 (77) | 4500 (65) | 1881 (73) | 2076 (64) | 4186 (80) |
| No | 4447 (35) | 1725 (23) | 2982 (35) | 655 (27) | 1465 (36) | 1070 (20) |
*OSA = obstructive sleep apnea.
†Unweighted sample size n and weighted proportions (%).
‡Weighted frequencies reflected prevalence of low risk OSA and known or suspected OSA by sex.
§Race and ethnicity information were self-reported by study participants.