Table 6.
Estimated means of SF-36 scale scores and 99% CIs by age group and survey, adjusted for education and gender, N = 9682
| Subscales | 18–29 years | 30–49 years | 50–64 years | 65–96 years | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1996 | 2002 | 2015 | 1996 | 2002 | 2015 | 1996 | 2002 | 2015 | 1996 | 2002 | 2015 | |
| PF, mean | 93.0 | 93.4 | 92.4 | 90.3 | 90.2 | 90.0 | 84.7 | 82.6 | 85.8* | 72.5 | 69.7 | 78.7* |
| 99% CI | 91.0–95.0 | 91.7–95.0 | 87.9–96.9 | 88.8–91.8 | 89.1–91.2 | 88.1–91.8 | 82.6–86.8 | 81.4–83.9 | 84.1–87.5 | 70.1–75.0 | 68.2–71.3 | 76.9–80.4 |
| N | 502 | 850 | 102 | 911 | 2062 | 598 | 472 | 1332 | 697 | 337 | 893 | 674 |
| RP, mean | 85.1 | 86.6 | 80.6 | 83.2 | 81.3 | 80.3 | 75.1 | 72.5 | 74.6 | 53.8 | 52.8 | 65.8* |
| 99% CI | 81.0–89.2 | 83.3–89.8 | 71.7–89.5 | 80.1–86.2 | 79.2–83.4 | 76.5–84.1 | 71.0–79.3 | 70.0–75.0 | 71.2–78.1 | 48.7–58.9 | 49.8–55.8 | 62.3–69.2 |
| N | 499 | 848 | 103 | 905 | 2062 | 597 | 467 | 1329 | 698 | 322 | 897 | 675 |
| BP, mean | 80.6 | 80.2 | 74.2 | 76.3 | 74.9 | 69.1* | 72.2 | 68.6 | 67.3 | 68.4 | 67.0 | 66.6 |
| 99% CI | 77.7–83.6 | 77.9–82.5 | 67.8–80.6 | 74.2–78.5 | 73.4–76.4 | 66.4–71.8 | 69.3–75.2 | 66.8–70.4 | 64.9–69.8 | 65.0–71.9 | 64.8–69.1 | 64.1–69.1 |
| N | 505 | 850 | 103 | 920 | 2064 | 598 | 489 | 1336 | 702 | 356 | 914 | 682 |
| GH, mean | 81.7 | 79.2 | 72.9* | 79.0 | 77.6 | 72.1* | 72.2 | 71.3 | 71.5 | 68.3 | 65.8 | 70.9* |
| 99% CI | 79.3–84.2 | 77.2–81.1 | 67.5–78.3 | 77.2–80.8 | 76.3–78.8 | 69.8–74.4 | 69.7–74.7 | 69.8–72.8 | 69.4–73.6 | 65.2–71.3 | 63.9–67.6 | 68.8–73.0 |
| N | 496 | 844 | 100 | 906 | 2048 | 586 | 456 | 1311 | 682 | 315 | 844 | 640 |
| VT, mean | 58.0 | 58.5 | 50.9* | 60.1 | 60.2 | 55.6* | 60.9 | 61.5 | 58.9 | 60.7 | 60.4 | 62.5 |
| 99% CI | 55.6–60.4 | 56.6–60.4 | 45.7–56.1 | 58.4–61.8 | 59.0–61.5 | 53.4–57.8 | 58.6–63.3 | 60.1–63.0 | 56.9–60.9 | 57.9–63.6 | 58.7–62.2 | 60.4–64.5 |
| N | 504 | 850 | 102 | 922 | 2062 | 598 | 482 | 1328 | 702 | 350 | 876 | 672 |
| SF, mean | 85.8 | 88.0 | 81.1 | 86.0 | 86.9 | 85.4 | 86.2 | 85.3 | 86.8 | 83.3 | 81.1 | 87.5* |
| 99% CI | 83.4–88.2 | 86.0–89.9 | 76.4–87.1 | 84.2–87.8 | 85.6–88.1 | 83.1–87.6 | 83.8–88.6 | 83.8–86.8 | 84.7–88.8 | 80.4–86.1 | 79.3–82.9 | 85.5–89.6 |
| N | 506 | 851 | 103 | 928 | 2067 | 598 | 492 | 1339 | 702 | 367 | 912 | 680 |
| RE, mean | 79.8 | 85.8 | 76.5 | 83.9 | 86.7 | 87.1 | 84.5 | 83.6 | 88.6 | 71.5 | 69.9 | 86.4* |
| 99% CI | 76.3–83.3 | 83.1–88.6 | 68.8–84.2 | 81.3–86.5 | 84.8–88.5 | 83.9–90.4 | 80.9–88.2 | 81.5–85.8 | 85.7–91.6 | 67.1–75.9 | 67.2–72.5 | 83.4–89.4 |
| N | 497 | 848 | 102 | 899 | 2052 | 597 | 461 | 1321 | 698 | 312 | 875 | 663 |
| MH, mean | 76.4 | 77.7 | 74.3 | 78.3 | 79.3 | 77.3 | 79.0 | 81.0 | 80.6 | 81.9 | 81.4 | 83.4 |
| 99% CI | 74.6–78.2 | 76.3–79.1 | 70.4–78.2 | 77.0–79.6 | 78.3–80.2 | 75.7–79.0 | 77.2–80.8 | 79.9–82.1 | 79.1–82.2 | 79.7–84.0 | 80.0–82.7 | 81.8–84.9 |
| N | 504 | 850 | 103 | 922 | 2060 | 598 | 479 | 1328 | 702 | 339 | 859 | 666 |
PF physical functioning, RP role physical, BP bodily pain, GH general health, VT vitality, SF social functioning, RE role emotional, MH mental health
* p < .01