Research Article

Prevalence and Factors Associated with Impairment in Intrinsic Capacity among Community-Dwelling Older Adults: An Observational Study from South India

Table 4

Factors associated with domains of intrinsic capacity.

VariablesCognitionHearingVisionVitalityLocomotionMood
OR (95% CI)OR (95% CI)OR (95% CI)OR (95% CI)OR (95% CI)OR (95% CI)

Age
 Continuous1.00 (0.97–1.03)1.07 (1.05–1.09)0.98 (0.96–1.00)1.04 (1.00–1.09)1.01 (0.99–1.03)1.00 (0.86–1.05)
 <75 yearsRefRefRefRefRefRef
 ≥75 years1.16 (0.72–1.87)2.26 (1.59–3.20)0.71 (0.52–0.97)1.19 (0.55–2.57)1.57 (1.14–2.16)0.83 (0.36–1.91)
Gender
 MaleRefRefRefRefRefRef
 Female0.85 (0.56–1.28)0.72 (0.52–0.98)1.01 (0.78–1.31)1.41 (0.69–2.89)0.98 (0.75–1.27)1.01 (0.51–1.98)
SEC
 UpperRefRefRefRefRefRef
 Upper middle0.93 (0.54–1.59)1.24 (0.80–1.91)1.70 (1.21–2.39)0.89 (0.38–2.5)1.23 (0.87–1.73)0.54 (0.22–1.29)
 Lower middle0.82 (0.44–1.52)1.09 (0.67–1.78)0.90 (0.61–1.33)0.97 (0.39–2.44)0.90 (0.62–1.31)0.60 (0.22–1.61)
 Upper lower0.79 (0.34–1.84)0.92 (0.47–1.81)0.94 (0.56–1.57)0.25 (0.03–2.00)0.74 (0.45–1.22)1.68 (0.62–4.58)
Marital status
 MarriedRefRefRefRefRefRef
 Unmarried0.25 (0.03–1.89)0.92 (0.38–2.28)0.81 (0.41–1.68)10.92 (0.46–1.88)1
Smoking
 NoRefRefRefRefRefRef
 Yes0.94 (0.28–3.14)2.50 (1.17–5.35)0.73 (0.34–1.55)0.89 (0.12–6.71)0.78 (0.37–1.61)1
Alcohol
 NoRefRefRefRefRefRef
 Yes0.95 (0.40–2.28)2.09 (1.18–3.69)1.00 (0.59–1.70)0.45 (0.06–3.19)1.35 (0.78–2.36)0.43 (0.06–3.19)
ADL score
 Continuous0.69 (0.59–0.83)0.81 (0.69–0.96)0.97 (0.83–1.13)1.66 (0.69–3.93)0.46 (0.33–0.64)0.73 (0.57–0.94)
ADL category
 IntactRefRefRefRefRefRef
 Impaired1.90 (1.18–3.06)1.34 (0.89–1.99)1.08 (0.77–1.51)0.58 (0.20–1.67)2.44 (1.67–3.56)1.60 (0.74–3.46)
IADL score
 Continuous0.94 (0.82–1.08)0.75 (0.67–0.83)1.01 (0.93–1.09)1.03 (0.82–1.29)0.99 (0.91–1.08)1.07 (0.85–1.35)
Hypertension
 NoRefRefRefRefRefRef
 Yes0.68 (0.42–1.09)1.21 (0.87–1.70)1.11 (0.85–1.47)0.77 (0.36–1.64)1.26 (0.95–1.66)0.98 (0.48–2.00)
Diabetes
 NoRefRefRefRefRefRef
 Yes0.54 (0.28–1.04)0.80 (0.52–1.25)1.18 (0.84–1.65)1.16 (0.50–2.69)1.33 (0.94–1.88)0.57 (0.20–1.63)
Chronic respiratory illness
 NoRefRefRefRefRefRef
 Yes0.89 (0.43–1.83)0.93 (0.53–1.61)0.074 (0.48–1.15)1.19 (0.41–3.43)1.67 (1.05–2.65)2.75 (1.22–6.18)
CVD
 NoRefRefRefRefRefRef
 Yes0.65 (0.19–2.16)0.57 (0.22–1.47)0.99 (0.53–1.85)12.98 (1.34–6.44)1
Chronic neurologic illness
 NoRefRefRefRefRefRef
 Yes1.99 (0.90–4.43)1.11 (0.52–2.35)1.21 (0.66–2.24)1.28 (0.29–5.51)3.70 (1.63–8.41)3.68 (1.36–9.94)
Multimorbidity
 NoRefRefRefRefRefRef
 Yes0.82 (0.46–1.46)0.92 (0.59–1.42)0.96 (0.68–1.34)1.42 (0.64–3.18)2.02 (1.39–2.93)1.38 (0.62–3.06)

value <0.05. value <0.005. SEC: socioeconomic status, ADL: activity of daily living, IADL: instrumental activities of daily living, and CVD: cardiovascular disease.