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Table 3 Results of the decomposition analysis of SEI in HTN among PERSIAN Cohort participants in Iran

From: Socioeconomic inequalities in prevalence, awareness, treatment and control of hypertension: evidence from the PERSIAN cohort study

Variables Elasticity Ck Absolute
contribution
Percent contribution Sum percent contribution
sex (Ref:male) Female 0.059 -0.090 -0.005 6.32 6.32
Age
(Ref = 35–39 years)
40–44 0.031 0.047 0.001 -1.71 58.46
45–49 0.062 0.066 0.004 -4.90
50–54 0.108 0.050 0.005 -6.41
55–59 0.165 -0.044 -0.007 8.69
 > 59 0.280 -0.188 -0.053 62.80
Education (Ref:illiterate) 1–5 y 0.000 -0.177 0.000 -0.08 -6.42
6–9 y 0.005 0.070 0.000 -0.42
10–12 y 0.008 0.342 0.003 -3.35
 ≥ 13 y 0.003 0.711 0.002 -2.57
Marital status
(Ref:married)
single -0.001 -0.296 0.000 -0.42 1.22
Widow 0.004 -0.361 -0.001 1.64
Hookah(Ref:No) Yes 0.006 0.126 0.001 -0.93 -0.93
Drug abuse(Ref:No) Yes 0.011 -0.064 -0.001 0.81 0.81
Alcohol(Ref:No) Yes 0.004 0.201 0.001 -0.94 -0.94
Smoking status
(Ref: Non-smoked)
Current -0.026 -0.023 0.001 -0.70 -0.94
Former 0.005 0.043 0.000 -0.24  
BMI
(Ref: < 25)
25.0–29.9 0.099 0.056 0.006 -6.63 -21.84
30.0–34.9 0.137 0.070 0.010 -11.43
 ≥ 35 0.062 0.051 0.003 -3.78
Economic status
(Ref: 1ft quintile)
2nd quintile -0.003 -0.492 0.001 -1.74 32.40
3rd quintile -0.008 0.041 0.000 0.37
4th quintile -0.018 0.579 -0.011 12.72
5th quintile -0.017 1.065 -0.018 21.05
Total explained     -0.057   68.13
residual     -0.027   31.87
total     -0.084   100