Table 3

Initial status at baseline and slope of decline (per 1 year) in the PF-10 scores by material condition, stratified by country

Model 1†Model 2‡
Initial statusSlopeInitial statusSlope
Coefficient (95% CI)p ValueCoefficient (95% CI)p ValueCoefficient (95% CI)p ValueCoefficient (95% CI)p Value
Czech Republic
 Mean§83.09 (82.28 to 83.90)<0.01−0.83 (−0.98 to −0.67)<0.0183.95 (82.56 to 85.34)<0.01−1.17 (−1.45 to −0.89)<0.01
 Variance§264.73 (246.76 to 282.70)<0.010.53 (0.05 to 1.01)0.03193.56 (175.26 to 211.86)<0.010.48 (0.02 to 0.95)0.04
 Baseline age (year)¶−0.54 (−0.60 to −0.49)<0.01−0.04 (−0.05 to −0.03)<0.01−0.32 (−0.37 to −0.27)<0.01−0.04 (−0.05 to −0.03)<0.01
 Female−3.19 (−3.92 to −2.45)<0.010.15 (0.03 to 0.28)0.02−1.84 (−2.56 to −1.11)<0.010.13 (0.00 to 0.26)0.05
Material condition
 1st tertileReferenceReferenceReferenceReference
 2nd tertile3.36 (2.44 to 4.28)<0.010.09 (−0.05 to 0.22)0.222.96 (2.09 to 3.82)<0.010.06 (−0.08 to 0.20)0.39
 3rd tertile6.16 (5.23 to 7.09)<0.010.08 (−0.07 to 0.23)0.304.76 (3.89 to 5.63)<0.010.05 (−0.10 to 0.21)0.49
Russia
 Mean§85.23 (84.37 to 86.10)<0.01−2.29 (−2.53 to −2.04)<0.0185.08 (83.46 to 86.69)<0.01−2.86 (−3.27 to −2.46)<0.01
 Variance§165.25 (141.91 to 188.59)<0.011.35 (0.59 to 2.10)<0.01136.11 (112.99 to 159.22)<0.011.19 (0.40 to 1.97)<0.01
 Baseline age (year)¶−0.54 (−0.60 to −0.48)<0.01−0.10 (−0.11 to −0.09)<0.01−0.46 (−0.52 to −0.40)<0.01−0.10 (−0.12 to −0.09)<0.01
 Female−8.87 (−9.68 to −8.05)<0.01−0.02 (−0.22 to 0.19)0.87−6.65 (−7.68 to −5.62)<0.01−0.06 (−0.30 to 0.18)0.61
Material condition
 1st tertileReferenceReferenceReferenceReference
 2nd tertile4.68 (3.77 to 5.58)<0.010.22 (0.04 to 0.40)0.024.42 (3.44 to 5.39)<0.010.17 (−0.01 to 0.35)0.07
 3rd tertile5.91 (4.93 to 6.88)<0.010.57 (0.36 to 0.78)<0.015.52 (3.93 to 7.11)<0.010.48 (0.26 to 0.69)<0.01
Poland
 Mean§79.71 (78.82 to 80.60)<0.01−1.80 (−1.98 to −1.62)<0.0183.02 (81.50 to 84.55)<0.01−2.25 (−2.56 to −1.94)<0.01
 Variance§262.71 (235.90 to 289.52)<0.011.16 (0.69 to 1.64)<0.01194.60 (169.39 to 219.81)<0.011.01 (0.53 to 1.49)<0.01
 Baseline age (year)¶−0.68 (−0.73 to −0.62)<0.01−0.05 (−0.06 to −0.04)<0.01−0.53 (−0.58 to −0.47)<0.01−0.05 (−0.06 to −0.04)<0.01
 Female−5.94 (−6.71 to −5.17)<0.01−0.10 (−0.24 to 0.05)0.20−4.22 (−5.04 to −3.40)<0.01−0.11 (−0.27 to 0.05)0.19
Material condition
 1st tertileReferenceReferenceReferenceReference
 2nd tertile4.54 (3.40 to 5.67)<0.010.24 (0.06 to 0.42)<0.013.99 (3.00 to 4.99)<0.010.21 (0.03 to 0.39)0.02
 3rd tertile6.88 (5.80 to 7.95)<0.010.48 (0.28 to 0.68)<0.015.88 (4.82 to 6.94)<0.010.44 (0.24 to 0.65)<0.01
  • †Adjusted for baseline age and sex.

  • ‡Adjusted for baseline age, sex, marital status, history of spine/joint problems, BMI, drinking pattern and smoking status.

  • ¶Centred on 58 years.

  • §Conditional on the covariates adjusted in the model.

  • BMI, body mass index; PF-10, physical functioning subscale (10 item).