Table 1

Clinical characteristics of subjects by presence or absence of knee OA (n =2234)
All Men Women
No (n= 1964) Yes (n= 270) No (n= 979) Yes (n= 41) No (n= 985) Yes (n= 229)
Age (y) 53.2 ± 11.0‡ 64.5 ± 10.1 53.8 ± 10.8‡ 65.3 ± 10.5 52.6 ± 11.3‡ 64.3 ± 10.0
Weight (kg) 62.0 ± 10.1‡ 58.3 ± 9.5 66.6 ± 9.6§ 63.9 ± 10.8 57.5 ± 8.5 57.3 ± 8.9
Height (cm) 161.2 ± 8.7‡ 153.9 ± 7.6 167.4 ± 6.0* 165.2 ± 5.8 155.0 ± 6.1‡ 151.8 ± 6.0
BMI (kg/m2) 23.8 ± 3.1‡ 24.6 ± 3.3 23.7 ± 2.9 23.4 ± 3.6 23.9 ± 3.2‡ 24.8 ± 3.2
WC (cm) 82.7 ± 8.7‡ 85.0 ± 9.5 85.3 ± 7.9 85.9 ± 9.9 80.1 ± 8.7‡ 84.8 ± 9.4
SBP (mmHg) 126.4 ± 20.2‡ 133.2 ± 20.9 128.7 ± 19.3 132.8 ± 20.5 124.0 ±20.7‡ 133.3 ± 21.0
DBP (mmHg) 79.5 ± 11.5 79.4 ± 12.0 81.7 ± 11.5* 77.0 ± 11.8 77.4 ± 11.2† 79.8 ± 12.1
Fasting glucose (mg/dL) 99.2 ± 18.2 99.9 ± 17.9 100.2 ± 18.6 99.5 ± 17.0 98.3 ± 17.7 100.0 ± 18.1
HDL - C (mg/dL) 45.5 ± 10.3 45.0 ± 10.2 163.4 ± 84.4 153.9 ± 80.5 47.5 ± 10.2† 45.5 ± 9.8
TG (mg/dL) 148.2 ± 79.7 149.7 ± 66.3 43.5 ± 10.0 42.6 ± 12.4 133.2 ± 71. 6† 149.0 ± 63.7
Exercise 594 (30.2)† 58 (21.6) 340 (34.7) 13 (31.7) 254 (25.8)§ 45 (19.7)
Alcohol intake 1305 (66.4)‡ 134 (49.6) 816 (83.4) 35 (85.4) 489 (49.6)§ 99 (43.2)
Smoking
Never 1131 (57.6)‡ 209 (77.4) 210 (21.5)* 5 (12.2) 921 (93.5)§ 204 (89.1)
Current 590 (30.0) 40 (14.8) 535 (54.6) 19 (46.3) 55 (5.6) 21 (9.2)
Ex-smoker 243 (12.4) 21 (7.8) 234 (23.9) 17 (41.5) 9 (0.9) 4 (1.7)

Abbreviations: OA osteoarthritis, BMI body mass index, WC waist circumference, SBP systolic blood pressure, DBP diastolic blood pressure, HDL - C high density lipoprotein cholesterol; TG triglyceride.

Values are presented with mean ± standard deviations or number (%).

P-values: Student’s t test & Chi-square test or Fisher’ exact test; .050 < §P < .1, *P < .050, P < .010, P < .001.

Han et al.

Han et al. BMC Public Health 2013 13:603   doi:10.1186/1471-2458-13-603

Open Data