Table 1.
Summary of BEEP trial participant baseline characteristics (n = 514)a
| Characteristic | Value |
|---|---|
| Age (years), no. (%) | |
| 45–49 | 52 (10) |
| 50–59 | 153 (30) |
| 60–69 | 183 (36) |
| 70–79 | 99 (19) |
| ≥80 | 27 (5) |
| Female, no. (%) | 262 (51) |
| BMI, no. (%)b | |
| Underweight/normal (<25 kg/m2) | 97 (20) |
| Overweight (25–29 kg/m2) | 208 (42) |
| Obese (≥30 kg/m2) | 192 (39) |
| Currently employed, no. (%)b | 214 (42) |
| Socioeconomic category, no. (%)b | |
| Professional | 166 (43) |
| Intermediate | 94 (25) |
| Routine and manual work | 124 (32) |
| Comorbidities, no. (%)c | |
| None | 164 (32) |
| 1 | 180 (35) |
| ≥2 | 170 (33) |
| PHQ‐8 (range 0–24), mean ± SDb | 4.0 ± 4.7 |
| GAD‐7 (range 0–21), mean ± SDb | 3.3 ± 4.5 |
| WOMAC, mean ± SDb | |
| Pain (range 0–20) | 8.4 ± 3.5 |
| Function (range 0–68) | 28.1 ± 12.3 |
| Stiffness (range 0–8) | 3.7 ± 1.7 |
| Knee pain duration (years), no. (%)b | |
| ≤1 | 125 (25) |
| >1 but <5 | 198 (39) |
| >5 but <10 | 94 (19) |
| 10+ | 91 (18) |
| Widespread pain, no. (%)b | 79 (15) |
a
BEEP = Benefits of Effective Exercise for Knee Pain; BMI = body mass index; PHQ‐8 = Personal Health Questionnaire; GAD‐7 = Generalized Anxiety Disorder questionnaire; WOMAC = Western Ontario and McMaster Universities Osteoarthritis Index.
b
Subject to missing data; values may not add up to total sample.
c
Included comorbidities (in descending order of frequency): hypertension, asthma, diabetes mellitus, angina, heart attack, and heart failure.