Table 3.
Multivariate analysis for demographic covariates associated with type 2 diabetes
| Covariate | Omani | Non-Omani | Total | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total N | Prevalence of diabetes n (%) | Odds Ratio (P(95% CI)) | Multivariant Regression Analysis | Total N | Prevalence of diabetes N (%) | Odds Ratio (P(95% CI)) | Multivariant Regression Analysis | Total N | Prevalence of diabetes n (%) | Odds Ratio (P(95% CI)) | Multivariant Regression Analysis | |
| P(95% CI) | P(95% CI) | P(95% CI) | ||||||||||
| Age group | 0.000 | 0.000 | 0.000 | |||||||||
| 18–29 | 1102 | 55 (3.08) | Ref | 437 | 34 (3.22) | Ref | 1539 | 89 (3.1) | Ref | |||
| 30–39 | 1337 | 119 (6.11) | 0.08 (0.778) | 707 | 99 (12.44) | 1.14**(0.001) | 2044 | 218 (8.23) | 0.48*(0.036) | |||
| 40–49 | 856 | 166 (20.59) | 1.21***(0.000) | 465 | 105 (25.66) | 1.86***(0.000) | 1321 | 271 (22.33) | 1.40***(0.000) | |||
| 50–59 | 484 | 162 (34.69) | 1.85***(0.000) | 183 | 81 (37.8) | 2.23***(0.000) | 667 | 243 (35.48) | 1.99***(0.000) | |||
| 60 and above | 541 | 205 (39.76) | 2.11***(0.000) | 50 | 28 (57.96) | 3.26***(0.000) | 591 | 233 (42.64) | 2.37***(0.000) | |||
| Sex | 0.242 | 0.517 | 0.384 | |||||||||
| Male | 1665 | 253 (13.48) | Ref | 1518 | 290 (18.41) | Ref | 3183 | 543 (15.39) | Ref | |||
| Female | 2655 | 454 (15.38) | 0.31 (0.148) | 324 | 57 (20.11) | 0.28 (0.500) | 2979 | 511 (16.06) | 0.33 (0.075) | |||
| Education level | 0.048 | 0.003 | 0.022 | |||||||||
| No formal education | 1274 | 373 (31.77) | Ref | 387 | 83 (23.61) | Ref | 1661 | 456 (30.33) | Ref | |||
| Preparatory or less | 487 | 98 (23.38) | 0.29 (0.244) | 439 | 88 (20.41) | 0.04 (0.878) | 926 | 186 (22.22) | 0.26 (0.186) | |||
| Secondary completed | 1648 | 156 (8.45) | −0.31 (0.253) | 462 | 96 (22.34) | 0.047 (0.865) | 2110 | 252 (10.99) | −0.11 (0.597) | |||
| University and above | 908 | 80 (7.57) | −0.61 (0.073) | 552 | 79 (14.97) | −0.80**(0.007) | 1460 | 159 (10.48) | −0.48*(0.033) | |||
| Marital Status | 0.977 | 0.561 | 0.835 | |||||||||
| Never married | 742 | 42 (4.34) | Ref | 400 | 33 (5.32) | Ref | 1378 | 75 (4.55) | Ref | |||
| Currently married | 3161 | 544 (17.25) | 0.45 (0.145) | 1422 | 309 (22.19) | 0.57 (0.118) | 4895 | 853 (18.8) | 0.53*(0.035) | |||
| Divorced/Separated | 114 | 91 (22.17) | 0.49 (0.427) | 14 | 2 (48.25) | 0.92 (0.244) | 135 | 103 (23.63) | 0.48 (0.390) | |||
| Widowed | 303 | 98 (34.68) | 0.26 (0.541) | 6 | 3 (30.47) | −0.54 (0.716) | 335 | 101 (34.42) | 0.23 (0.542) | |||
| Work status | 0.371 | 0.459 | 0.532 | |||||||||
| Public sector employee | 1042 | 124 (11.41) | Ref | 175 | 27 (13.58) | Ref | 1217 | 151 (11.64) | Ref | |||
| Private sector employee | 465 | 77 (13.98) | 0.09 (0.798) | 1442 | 278 (17.79) | 0.007 (0.986) | 1907 | 355 (16.5) | 0.28 (0.202) | |||
| Not currently working | 2810 | 506 (15.88) | −0.23 (0.454) | 225 | 42 (24.63) | 0.18 (0.708) | 3035 | 548 (16.81) | −0.08 (0.743) | |||
CI Confidence interval; p values in parentheses, * p < 0.05 ** p < 0.01 *** p < 0.001