Table 1

Baseline characteristics of the NEO study population, stratified by OA status

PrevalenceNo knee/hand OA
78%
Knee OA
10%
Knee and hand OA
4%
Hand OA
8%
Age (year)55 (49–61)58 (53–61)59 (55–62)59 (55–63)
Sex (% women)52638676
Smoking (% current)121198
Education (% high)39282532
Ethnicity (% Caucasian)95969295
BMI (kg/m2)25.5 (23.2–28.0)26.9 (24.6–30.3)26.7 (24.6–29.8)25.9 (23.0–28.8)
Height (m)1.74 (1.67–1.81)1.71 (1.66–1.79)1.68 (1.63–1.73)1.68 (1.63–1.75)
Weight (kg)77.8 (67.6–88.8)80.4 (70.8–92.8)75.6 (66.8–86.8)73.4 (63.8–85.6)
Fat-free mass (kg)51.8 (44.0–64.6)49.2 (44.2–64.0)45.9 (43.2–50.3)45.1 (41.8–54.4)
Fat mass (kg)22.7 (18.2–29.0)27.5 (21.0–34.7)27.5 (22.4–35.0)24.4 (19.8–31.9)
Metabolic syndrome (%)28393638
  • Results are based on weighted analyses of the study population (n=6628).

  • Numbers represent medians (25th–75th centiles) or percentages.

  • BMI, body mass index; NEO, Netherlands Epidemiology of Obesity; OA, osteoarthritis.