Table 2.
The results of the decomposition analysis of socioeconomic inequality in drug use for men and women in Iran
| Variables | Men | Women | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| adjusted OR | Elasticity | Concentration Index (Ck) | Absolute Contribution | Percentage contribution | Summed Percentage contribution | Adjusted OR | Elasticity | Concentration Index (Ck) |
Absolute Contribution | Percentage contribution | Summed percentage contribution | ||
|
Age group (Ref: 35–40) |
41–45 | 0.65 (0.38_1.9) | 0.0397 | 0.0549 | 0.0029 | −2.1394 | −0.42 | 3.58 (0.54_10.31) | 0.0127 | 0.0953 | 0.0012 | −0.7068 | 9.76 |
| 46–50 | 1.10 (0.81_1.49) | 0.0524 | 0.0581 | 0.0040 | −2.9949 | 3.24 (0.48_4.49) | 0.0191 | 0.0424 | 0.0008 | − 0.4737 | |||
| 51–55 | 1.09(0.94_1.26) | 0.0414 | 0.0258 | 0.0014 | −1.0482 | 1/17(0.30_7.28) | 0.0299 | −0.0382 | −0.0012 | 0.6673 | |||
| 55–60 | 1.15(0.91_1.44) | 0.0309 | −0.0766 | −0.0031 | 2.3274 | 1.51 (0.17_5.9) | 0.0314 | −0.1555 | −0.0050 | 2.8559 | |||
| 61–65 | 1.28 (1.07_1.51) | 0.0141 | − 0.1681 | − 0.0031 | 2.3376 | 0.24 (0.29_1.96) | 0.0250 | −0.2841 | − 0.0073 | 4.1537 | |||
| > 66 | 1.09(0.94_1.26) | 0.0037 | −0.3014 | −0.0015 | 1.1017 | 2.70 (1.12_6.42) | 0.0135 | −0.3869 | −0.0053 | 3.0459 | |||
|
Marital status (Ref: Married) |
Single | 0.73 (0.49_1.07) | −0.0007 | −0.0680 | 0.0001 | −0.0473 | 0.17 | 0.21 (0.12_0.39) | −0.0060 | −0.0687 | 0.0004 | −0.2410 | 0.25 |
| Divorce/widowed | 1.53 (1.02_2.28) | 0.0015 | −0.1499 | −0.0003 | 0.2171 | 1.64 (1.58_2.03) | 0.0032 | −0.2633 | −0.0008 | 0.4860 | |||
|
Smoking status (Ref: Never smoker) |
current smoker | 5.75 (5.10_6.47) | 0.3271 | −0.0875 | −0.0377 | 28.1203 | 32.04 | 0.28 (0.22_0.38) | 0.0160 | −0.3203 | −0.0052 | 2.9986 | 4.34 |
| Former smoker | 3.92 (3.41_4.50) | 0.0932 | −0.0428 | − 0.0053 | 3.9201 | 1.69 (1.24_2.31) | 0.0060 | −0.3571 | −0.0022 | 1.2429 | |||
|
Alcohol consumption (Ref: No) |
Yes | 6.97 (2.39_20.2) | 0.1444 | 0.0872 | 0.0166 | −12.3680 | −12.37 | 8.80 (7.80_9.92) | 0.0023 | 0.4644 | 0.0011 | −0.6310 | −0.65 |
| water pipe Smoking (Ref: No) | Yes | 1.58 (1.42_1.74) | 0.0717 | 0.1209 | 0.0114 | −8.5231 | −8.52 | 2.27 (1.61_3.21) | 0.0173 | 0.0683 | 0.0012 | −0.6924 | −0.71 |
|
Physical activity Daily METs (Ref: 24–36.5) |
36.6–44.9 | 0.83 (0.74_0.93) | −0.0335 | 0.0776 | −0.0034 | 2.5546 | −0.80 | 0.63 (0.56_0.69) | −0.0305 | 0.0575 | −0.0018 | 1.0260 | 1.17 |
| ≥45 | 0.77 (0.68_0.87) | −0.0175 | −0.1955 | 0.0045 | −3.3585 | 0.60 (0.50_0.72) | 0.0010 | −0.1866 | −0.0002 | 0.1144 | |||
|
Socioeconomic status (Ref: 1st quintile (the poorest) |
2nd quintile | 0.76 (0.62_0.91) | −0.0122 | −0.5276 | 0.0085 | −6.3293 | 80.04 | 0.78 (0.64_0.84) | −0.0186 | −0.2965 | 0.0056 | −3.2268 | 26.37 |
| 3rd quintile | 0.63 (0.52_0.76) | −0.0225 | −0.1407 | 0.0042 | −3.1165 | 0.69 (0.55_0.74) | −0.0235 | 0.1149 | −0.0028 | 1.5769 | |||
| 4th quintile | 0.53 (0.43_0.64) | −0.0408 | 0.2804 | −0.0151 | 11.2458 | 0.61 (0.41_0.66) | −0.0271 | 0.4974 | −0.0138 | 7.8742 | |||
|
5thquintile (the richest) |
0.31 (0.25_0.37) | −0.1063 | 0.7491 | −0.1048 | 78.2428 | 0.39 (0.30_0.45) | −0.0399 | 0.8394 | −0.0342 | 19.5650 | |||
| Province (Ref: Kermanshah (KSH)) | Guilan (GU) | 1.14 (0.91_1.41) | 0.0258 | −0.1858 | −0.0063 | 4.7054 | −0.97 | 24.09 (16.8_28.9) | 0.1341 | −0.1373 | −0.0188 | 10.7623 | −22.38 |
| Fars (FA) | 7.46 (5.91_9.41) | 0.2125 | −0.3701 | −0.1035 | 77.2690 | 12.18 (6.01_24.6) | 0.0711 | −0.3848 | −0.0280 | 15.9918 | |||
| East Azerbaijan (EA) | 0.39 (0.31_0.49) | −0.0084 | −0.0375 | 0.0004 | −0.3086 | 0.40 (0.13_1.22) | −0.0034 | 0.0124 | 0.0000 | 0.0247 | |||
| Mazandaran (MA) | 1.32 (1.02_1.70) | 0.0232 | 0.1624 | 0.0050 | −3.7020 | 4.36 (2.03_9.31) | 0.0155 | 0.1544 | 0.0025 | −1.4028 | |||
| Sistan and Balouchestan (SB) | 6.44 (4.26_9.71) | 0.0847 | 0.0507 | 0.0057 | −4.2201 | 17.15 (13.39_19.24) | 0.1693 | 0.0303 | 0.0052 | −2.9998 | |||
| Yazd (YA) | 5.85 (4.53_7.55) | 0.0827 | 0.1501 | 0.0164 | −12.2018 | 7.92 (3.77_14.24) | 0.0269 | 0.1959 | 0.0054 | −3.0760 | |||
| Kerman (KE) | 7.91 (6.26_9.97) | 0.1505 | 0.2663 | 0.0528 | −39.3871 | 19.21 (16.62_24.39) | 0.1840 | 0.3169 | 0.0596 | −34.1030 | |||
| Khouzestan (KH) | 2.03 (1.32_3.09) | −0.0013 | −0.1443 | 0.0002 | −0.1781 | 0.49 (0.14_1.61) | −0.0025 | − 0.2012 | 0.0005 | − 0.2906 | |||
| Chaharmahal and Bakhtiari (CB) | 2.62 (2.07_3.30) | 0.0328 | 0.4504 | 0.0194 | −14.5110 | 10.01 (7.51_13.91) | 0.0224 | 0.4702 | 0.0108 | −6.1554 | |||
| Hormozgan (HO) | 0.96 (0.87_1.12) | 0.0019 | −0.0463 | −0.0001 | 0.0865 | 4.02 (1.6_9.85) | 0.0027 | −0.0538 | −0.0001 | 0.0838 | |||
| West Azerbaijan (WA) | 1.06 (0.62_1.46) | 0.0034 | −0.1115 | −0.0005 | 0.3721 | 2.47 (0.92_6.53) | 0.0020 | −0.1677 | −0.0003 | 0.2001 | |||
| Ardabil (AR) | 0.85 (0.73_1.51) | 0.0086 | 0.2446 | 0.0028 | −2.0755 | 1.89 (0.78_4.55) | 0.0038 | 0.2240 | 0.0009 | −0.4950 | |||
| RazaviKhorasan (RK) | 1.77 (0.64_1.12) | 0.0110 | 0.5949 | 0.0086 | −6.4323 | 11.82 (9.2_13.90) | 0.0229 | 0.6878 | 0.0161 | −9.2199 | |||
| Kohgiluyeh and Boyer-Ahmad (KB) | 0.65 (0.80_3.90) | 0.0016 | 0.2434 | 0.0005 | −0.3888 | 16.93 (14.1_18.29) | 0.0024 | 0.2488 | 0.0006 | −0.3454 | |||
| Summed | −0.1193 | 89.17 | −0.0151 | 18.15 | |||||||||
| Residual | −0.0147 | 10.83 | 0.1559 | 81.85 | |||||||||
| The Cn | −0.1340 | 100.00 | 0.171 | −0.1710 | 100.00 | ||||||||