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Table 2 Association of polypharmacy with incident frailty

From: Effect modification of polypharmacy on incident frailty by chronic kidney disease in older adults

 

Total

Number of participants with incident frailty (%)

Crude Model

OR (95% CI)

Adjusted Model*

OR (95% CI)

Regular Prescription Polypharmacy

    

No Polypharmacy

389

46 (11.8)

Reference

Reference

Polypharmacy

229

51 (22.3)

2.14 (1.38–3.31)

1.96 (1.20–3.19)

Hyperpolypharmacy

18

5 (27.8)

2.87 (0.98–8.41)

2.87 (0.85–9.69)

Active Substance Polypharmacy

    

No Polypharmacy

367

44 (12.0)

Reference

Reference

Polypharmacy

238

49 (20.6)

1.90 (1.22–2.97)

1.73 (1.06–2.81)

Hyperpolypharmacy

31

9 (29.0)

3.00 (1.30–6.94)

2.86 (1.11–7.39)

Regular Polypharmacy

    

No Polypharmacy

319

39 (12.2)

Reference

Reference

Polypharmacy

277

48 (17.3)

1.51 (0.95–2.38)

1.32 (0.79–2.21)

Hyperpolypharmacy

40

15 (37.5)

4.31 (2.09–8.87)

4.08 (1.70–9.81)

Regular and On-Demand Polypharmacy

    

No Polypharmacy

261

29 (11.1)

Reference

Reference

Polypharmacy

302

52 (17.2)

1.66 (1.02–2.71)

1.56 (0.91–2.67)

Hyperpolypharmacy

73

21 (28.8)

3.23 (1.71–6.11)

3.01 (1.43–6.37)

All Polypharmacy

    

No Polypharmacy

207

22 (10.6)

Reference

Reference

Polypharmacy

309

48 (15.5)

1.55 (0.90–2.65)

1.45 (0.81–2.59)

Hyperpolypharmacy

120

32 (26.7)

3.06 (1.68–5.57)

3.03 (1.52–6.05)

  1. OR: odds ratio; 95% CI: 95% confidence interval; regular prescription polypharmacy: number of regular prescription drugs; active substance polypharmacy:number of active substances in regular prescription drugs accounting for more than one active substance in combination drugs; regular polypharmacy: number of regular prescription and regular OTC drugs; regular and on-demand polypharmacy: additionally including the number of on-demand prescription and on-demand OTC drugs; all polypharmacy: all drugs including the number of vitamins, minerals, and supplements. For all definitions, no polypharmacy was defined as taking of 0–4 drugs, polypharmacy as taking of 5–9 drugs, and hyperpolypharmacy as taking of ≥ 10 drugs
  2. *Adjusted for age, gender, smoking, short version of the Comparative Analysis of Social Mobility in Industrial Nations classification of education, marital status, Charlson Comorbidity Index, and Body mass index