Table 1.
Unweighted sample size (n), a weighted distributions (%), b and 95% confidence intervals (CIs) of selected characteristics and arthritis‐attributable interference in four routine life activities among US adults 45 years or older with arthritis, Arthritis Conditions Health Effects Survey (ACHES) (n = 1793)
| Unweighted | Weighted | ||
|---|---|---|---|
| n | % | 95% CI | |
| Demographics | |||
| Age group (in years) | |||
| 45‐54 | 468 | 25.1 | (22.8‐27.5) |
| 55‐64 | 538 | 29.0 | (26.5‐31.4) |
| ≥65 | 763 | 45.9 | (43.1‐48.7) |
| Sex | |||
| Men | 550 | 39.0 | (36.6‐41.4) |
| Women | 1243 | 61.0 | (58.6‐63.4) |
| Body Mass Index (BMI) | |||
| Underweight/normal | 537 | 29.8 | (27.4‐32.2) |
| Overweight | 601 | 37.1 | (34.6‐39.7) |
| Obese | 606 | 33.1 | (30.6‐35.5) |
| Race/Ethnicity | |||
| Non‐Hispanic white | 1363 | 80.5 | (78.5‐82.5) |
| Non‐Hispanic black | 206 | 9.6 | (8.3‐11.0) |
| Hispanic | 114 | 6.3 | (4.9‐7.6) |
| Non‐Hispanic other | 67 | 3.6 | (2.6‐4.5) |
| Education | |||
| Less than high school | 286 | 15.6 | (13.7‐17.5) |
| High school graduate | 558 | 32.1 | (29.6‐34.6) |
| More than high school | 945 | 52.3 | (49.6‐55.0) |
| Employment Status | |||
| Employed | 597 | 33.3 | (30.7‐35.9) |
| Unable to work/disabled | 279 | 14.6 | (12.7‐16.4) |
| Other c | 915 | 52.2 | (49.4‐54.9) |
| Clinical measures | |||
| Self‐Rated health | |||
| Excellent/very good | 584 | 34.0 | (31.4‐36.6) |
| Good | 580 | 32.0 | (29.5‐34.4) |
| Fair/poor | 624 | 34.1 | (31.6‐36.6) |
| Currently seeing doctor/health care provider | |||
| No | 920 | 52.7 | (50.1‐55.3) |
| Yes | 873 | 47.3 | (44.7‐49.9) |
| Severe joint pain | |||
| No | 1247 | 70.7 | (68.3‐73.0) |
| Yes | 546 | 29.3 | (27.0‐31.7) |
| Severe joint stiffness | |||
| No | 1264 | 71.6 | (69.4‐73.9) |
| Yes | 529 | 28.4 | (26.1‐30.6) |
| Severe fatigue | |||
| No | 1286 | 73.0 | (70.8‐75.3) |
| Yes | 507 | 27.0 | (24.7‐29.2) |
| Psychological factors | |||
| Anxiety | |||
| No | 1230 | 69.5 | (67.0‐71.9) |
| Yes | 561 | 30.5 | (28.1‐33.0) |
| Depression | |||
| No | 1461 | 82.5 | (80.5‐84.4) |
| Yes | 332 | 17.5 | (15.6‐19.5) |
| Confidence in ability to manage arthritis symptoms (0‐10 point scale) | |||
| Very confident, 7‐10 | 1106 | 62.8 | (60.3‐65.4) |
| Neutral, 4‐6 | 494 | 27.8 | (25.4‐30.1) |
| No/Low confidence, 0‐3 | 160 | 9.4 | (7.9‐10.9) |
| Arthritis‐Attributable interference with: | |||
| Recreation, leisure, and hobbies | |||
| A lot | 503 | 27.0 | (24.8‐29.3) |
| A little | 656 | 37.4 | (34.9‐39.9) |
| Not at all | 634 | 35.6 | (33.1‐38.1) |
| Household chores | |||
| A lot | 479 | 25.1 | (22.9‐27.2) |
| A little | 734 | 41.5 | (39.0‐44.0) |
| Not at all | 580 | 33.4 | (30.9‐35.9) |
| Errands or shopping | |||
| A lot | 421 | 21.7 | (19.6‐23.7) |
| A little | 602 | 34.5 | (32.0‐37.0) |
| Not at all | 770 | 43.8 | (41.2‐46.5) |
| Social activities | |||
| A lot | 329 | 17.6 | (15.7‐19.5) |
| A little | 623 | 34.4 | (32.0‐36.9) |
| Not at all | 841 | 48.0 | (45.4‐50.6) |
aUnweighted sample size = number of survey respondents. bWeighted distribution % = percentage of survey respondents mathematically adjusted to match target population (US adults ages 45 or older with doctor‐diagnosed arthritis); columns may not add to 100.0 because of rounding. cUnemployed, homemakers, students, retired.