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. 2016 Aug 10;1(4):240–249. doi: 10.1016/j.ekir.2016.07.010

Table 5.

Hierarchical regression analysis of cognition variables with modality choice outcomea

Variable Odds ratio (95% CI) P value
First stage (employment, CCI, and BDI)
Employment Retired 1 (−)
Unemployed 1.12 (0.44, 2.85) 0.41
Salaried/self-employed 1.68 (0.77, 3.68)
CCI (per unit increase) 0.85 (0.71, 1.01) 0.066
BDI (per 10-unit increase) 0.67 (0.49, 0.93) 0.018
Second stage (ethnicity and sex)
Employment Retired 1 (−)
Unemployed 1.35 (0.51, 3.56) 0.30
Salaried/self-employed 1.88 (0.84, 4.20)
CCI (per unit increase) 0.83 (0.70, 0.99) 0.038
BDI (per 10-unit increase) 0.69 (0.50, 0.96) 0.029
Ethnicity, nonwhite 0.26 (0.08, 0.90) 0.033
Sex, female 0.86 (0.45, 1.64) 0.65
Third stage (TMT B variable added) 137/220 (62.3%)
Employment Retired 1 (−) 0.10
Unemployed 1.34 (0.42, 4.24)
Salaried/self-employed 2.88 (1.08, 7.70)
CCI (per unit increase) 0.87 (0.71, 1.08) 0.22
BDI (per 10-unit increase) 0.74 (0.50, 1.09) 0.13
Ethnicity, nonwhite 0.13 (0.03, 0.62) 0.010
Sex, female 0.90 (0.42, 1.93) 0.78
TMT B (per 10-s increase) 0.96 (0.90, 1.02) 0.16
Third stage (TMT A variable added) 170/220 (77.3%)
Employment Retired 1 (−)
Unemployed 1.69 (0.60, 4.76) 0.29
Salaried/self-employed 1.91 (0.83, 4.37)
CCI (per unit increase) 0.85 (0.70, 1.02) 0.084
BDI (per 10-unit increase) 0.66 (0.47, 0.94) 0.021
Ethnicity, nonwhite 0.28 (0.08, 0.98) 0.046
Sex, female 0.86 (0.44, 1.69) 0.67
TMT A (per 10-s increase) 0.91 (0.79, 1.05) 0.21
Third-stage (3MS variable added) 172/220 (78.2%)
Employment Retired 1 (−)
Unemployed 1.44 (0.53, 3.93) 0.53
Salaried/self-employed 1.61 (0.69, 3.73)
CCI (per unit increase) 0.85 (0.71, 1.03) 0.097
BDI (per 10-unit increase) 0.66 (0.47, 0.94) 0.020
Ethnicity, nonwhite 0.28 (0.08, 0.97) 0.044
Sex, female 0.85 (0.44, 1.65) 0.63
3MS (per 10 increase in score) 1.59 (0.86, 2.96) 0.14
Third stage (metamemory variable added) 178/220 (80.9%)
Employment Retired 1 (−) 0.24
Unemployed 1.47 (0.55, 3.94)
Salaried/self-employed 2.02 (0.90, 4.53)
CCI (per unit increase) 0.83 (0.69, 0.99) 0.038
BDI (per 10-unit increase) 0.67 (0.48, 0.95) 0.023
Ethnicity, nonwhite 0.26 (0.08, 0.91) 0.035
Gender, Female 0.86 (0.45, 1.64) 0.64
Metamemory (per unit increase in score) 1.01 (0.93, 1.10) 0.80
Third stage (metaconcentration variable added) 175/220 (79.5%)
Employment Retired 1 (−) 0.22
Unemployed 1.49 (0.53, 4.20)
Salaried/self-employed 2.09 (0.91, 4.79)
CCI (per unit increase) 0.79 (0.66, 0.95) 0.013
BDI (per 10-unit increase) 0.75 (0.52, 1.08) 0.12
Ethnicity, nonwhite 0.28 (0.08, 0.99) 0.048
Sex, female 0.82 (0.42, 1.61) 0.56
Metaconcentration (per unit increase in score) 1.20 (1.05, 1.37) 0.008

BDI, Beck Depression Inventory; CI, confidence interval; CCI, Charlson Comorbidity Index; OR, odds ratio; s, second; TMT, Trail Making Test; 3MS, Modified Mini-Mental State.

a

OR >1 = Self-care modality choice.