Table 3 Multivariate logistic regression analysis and prevalence of male and female opium users across various sociodemographic variables with multivariate rate ratios and 95% confidence interval

Age (years)

 15–34

1054

4.8

1 (Ref.)

956

0.6

1 (Ref.)

 35–54

471

16.8

3.9f

2.7 – 5.7

457

3.5

2.7

0.9–8.2

 ≥ 55

270

22.6

5.7f

3.9 – 8.6

213

5.6

4.3e

1.1 – 16.8

Education

 Illiterate

710

14.6

1.2

0.4–3.4

1135

2.6

0.9

0.3–3.4

 Literate

-

-

-

-

491

0.8

1 (Ref.)

 Primary

371

12.7

1.5

0.5–4.2

-

-

-

-

 Middle

586

6

1.1

0.4–2.9

-

-

-

-

 Secondary or above

128

3.9

1 (Ref.)

-

-

-

-

Occupation

 Unemployed

476

0.6

1 (Ref.)

252

-

-

-

 Self employed

1149

15.3

8.7f

2.5 – 30.3

-

-

-

-

 Employed

170

7.1

4.1e

1.1 – 15.9

412

1.9

1 (Ref.)

 Housewife

-

-

-

-

962

2.7

1.4

0.6-3.1

Ethnic group

 Tangsa

1402

7.8

1 (Ref.)

1313

0.5

1 (Ref.)

 Tutsa

105

8.6

0.9

0.4–1.9

65

-

-

 Singpho

214

23.8

4.2f

2.1 – 8.4

190

13.2

28.3f

12.0 – 66.4

 Khamti

74

28.4

6.6f

2.9 – 15.2

58

3.4

6.7f

1.4 – 32.8

Marital status

 Unmarried

762

2.2

1 (Ref.)

489

-

-

-

 Married

966

15.8

3.2f

1.7 – 6.2

974

2.7

1 (Ref.)

 Widower/widow

67

31.3

5.4f

2.2 – 13.5

163

4.9

5.2f

3.0 – 9.1

Religion

 Christian

386

2.9

1 (Ref.)

356

-

-

 Buddhist

438

19.2

2.8e

1.2 – 6.5

393

6.9

10.1f

3.9 – 26.5

 Hindu

746

7.8

3.3f

1.7 – 6.4

691

0.7

1 (Ref.)

 Indigenous

225

16.9

8.3f

4.3 – 8.1

186

1.1

1.5

0.3–7.8

Household size

 2–3 (Small)

312

13.1

1.3

0.8–2.1

326

1.2

0.7

0.2–2.3

 4–6 (Medium)

809

12.7

1.5e

1.1 – 2.3

727

2.8

1.6

0.7–3.4

 ≥ 7 (Large)

674

7

1 (Ref.)

573

1.8

1 (Ref.)

Total

1795

10.6

1626

2.1