Table 4: Bivariate analysis and multivariate analysis

Risk Factors Total
N = 422
With CKD
n = 102
Unadjusted PR
(95% CI)
Adjusted PR#
Age
50-59 194 (46.0) 23 (11.9) 1 1
60-69* 138 (32.7) 38 (27.5) 2.32 (1.45 – 3.71) 2.36 (1.36 – 4.07)
70-79* 68 (16.1) 27 (39.7) 3.35 (2.07 – 5.43) 2.83 (1.53 – 5.25)
>80* 22 (5.2) 14 (63.6) 5.37 (3.27 – 8.82) 4.17 (1.76 – 9.88)
Gender
Male 187 (44.3) 44 (23.5) 1 1
Female 235 (55.7) 58 (24.7) 1.05 (0.74 – 1.48) 1.01 (0.59 – 1.75)
Socio Economic Status
Class I (6323 &above) 30 (7.1) 6 (20.0) 1 1
Class II(3161 – 6322) 62 (14.7) 18 (29.0) 1.45 (0.64 – 3.28) 2.22 (0.86 – 5.72)
Class III(1897 – 3160) 87 (20.6) 24 (27.6) 1.38 (0.62 – 3.05) 1.72 (0.66 – 4.44)
Class IV(948 – 1896) 124 (29.4) 28 (22.6) 1.13 (0.51 – 2.48) 1.52 (0.60 – 3.83)
Class V(< 948) 119 (28.2) 26 (21.8) 1.09 (0.49 – 2.41) 1.29 (0.49 – 3.39)
Education
Illiterate 191 (45.3) 52 (27.2) 1.26 (0.89 – 1.76) 1.12 (0.69 – 1.82)
Literate 231 (54.7) 50 (21.6) 1 1
Religion
Hindu 400 (94.8) 97 (24.2) 1.07 (0.48 – 2.35) 1.06 (0.36 – 3.09)
Muslim and Christian 22 (5.2) 5 (22.7) 1 1
Tobacco Usage
Non-Tobacco usage 267 (63.3) 68 (25.5) 1 1
Less than 5 year 9 (2.1) 3 (33.3) 1.31 (0.51 - 3.37) 0.70 (0.16 – 2.99)
More than 5 years 146 (34.6) 31 (21.2) 0.83 (0.57 - 1.21) 0.81 (0.50 – 1.31)
Alcohol Consumption
Non-alcoholic 347 (82.2) 85 (24.5) 1 1.01 (0.99 – 1.04)@
Less than 5 year 15 (3.6) 2 (13.3) 0.54 (0.15 - 2.00)
More than 5 years 60 (14.2) 15 (25.0) 1.02 (0.63 - 1.64)
Physical Activity
Low 194 (46) 61 (31.4) 2.18 (1.29 – 3.69) 1.61 (0.86 - 3.02)
Moderate 131 (31) 27 (20.6) 1.43 (0.79 – 2.57) 1.21 (0.62 - 2.38)
High 97 (23) 14 (14.4) 1 1
Nutritional Status
Normal 109 (25.8) 15 (13.8) 1 1
Underweight* 54 (12.8) 16 (29.6) 2.15 (1.15 – 4.02) 2.26 (1.05 - 4.89)
Overweight* 80 (19.0) 21(26.2) 1.90 (1.05 – 3.46) 2.19 (1.06 – 4.52)
Obese* 179 (42.4) 50 (27.9) 2.03 (1.2 – 3.43) 2.13 (1.13 – 4.01)
Dietary Habit
Vegetarian 60 (14.2) 23 (38.3) 1.76 (1.21 – 2.56) 1.19 (0.68 - 2.09)
Mixed diet 362 (85.8) 79 (21.8) 1 1
Fruit Consumption per Week
Never consumed 93 (22.1) 23 (24.7) 1.03 (0.68 – 1.54) 0.89 (0.51 - 1.51)
At least one day 329 (77.9) 79 (24.0) 1 1
Vegetable Consumption per Week
Never consumed 43 (10.2) 17 (39.5) 1.76 (1.16 - 2.67) 1.24 (0.67 - 2.28)
At least one day 379 (89.8) 85 (22.4) 1 1
Pain Killer
Not taking 359 (85.1) 86 (24.0) 1 1
Taking pain killer <5 year 41 (9.7) 7 (17.1) 0.71 (0.35 - 1.43) 0.78 (0.38 - 1.62)
Taking pain killer >5 year 22 (5.2) 9 (40.9) 1.71 (1.0 - 2.92) 0.56 (0.20 - 1.57)
Chronic Co-morbidity
No Chronic
Co-morbidity
56 (13.3) 5 (8.9) 1 1
At least one chronic Co-morbidity* 366 (86.7) 97 (26.5) 2.97 (1.26 - 6.97) 5.85 (1.38 - 24.78)

Note: Figures in this parenthesis are percentage, * indicate p value <0.05 in multivariate analysis,
PR = Prevalence ratio, # Six outlier case were removed in multivariate analysis, @taken as continuous variable for analysis.
The independent variables studied and adjusted for were age, gender, socio-economic status, education, religion, marital status, tobacco and alcohol consumption, physical activity, obesity, dietary practices, taking pain killer and chronic morbidities