Table 4 Adjusted prevalence ratios for poor IADL associated with the type and frequency of social participation, stratified by age and gender (reference: non-participation of each activity)

0.76 (0.62–0.94) ^*

0.65 (0.50–0.86) ^**

0.53 (0.23–1.20)

0.81 (0.51–1.31)

0.96 (0.73–1.27)

0.63 (0.43–0.94) ^*

0.40 (0.09–1.70)

0.71 (0.32–1.56)

0.76 (0.62–0.93) ^**

0.62 (0.44–0.86) ^**

0.14 (0.02–1.03)

0.14 (0.02–0.95) ^*

0.85 (0.70–1.02)

0.71 (0.55–0.93) ^*

0.24 (0.10–0.59) ^**

0.32 (0.18–0.55) ^***

0.75 (0.64–0.87) ^***

0.64 (0.51–0.80) ^***

0.18 (0.08–0.41) ^***

0.59 (0.41–0.84) ^**

0.81 (0.67–0.98) ^*

0.70 (0.55–0.90) ^**

0.18 (0.08–0.42) ^***

0.27 (0.16–0.47) ^***

0.76 (0.59–0.99) ^*

0.65 (0.48–0.89) ^**

0.07 (0.01–0.52) ^**

0.30 (0.17–0.55) ^***

0.83 (0.54–1.30)

0.85 (0.53–1.35)

0.36 (0.09–1.47)

0.20 (0.07–0.60) ^**

1.16 (0.91–1.47)

0.89 (0.69–1.14)

0.35 (0.09–1.41)

0.83 (0.59–1.18)

0.91 (0.67–1.25)

0.65 (0.49–0.86) ^**

0.56 (0.23–1.37)

0.52 (0.36–0.76) ^**

0.90 (0.78–1.02)

0.74 (0.62–0.88) ^**

0.40 (0.24–0.67) ^***

0.62 (0.44–0.88) ^**

0.71 (0.56–0.90) ^**

0.76 (0.56–1.02)

0.46 (0.18–1.19)

0.47 (0.27–0.84) ^*

1.01 (0.86–1.20)

0.96 (0.73–1.26)

0.21 (0.05–0.87) ^*

0.14 (0.02–0.99)*

1.01 (0.86–1.18)

1.00 (0.74–1.35)

0.56 (0.23–1.36)

1.06 (0.46–2.46)