Table 2 Odds ratios and adjusted odds ratios in favor of tobacco use for child marriage and other covariates

Child marriage

1.767***

1.390***

1.644***

1.265***

1.168***

1.222***

(1.685, 1.853)

(1.322, 1.462)

(1.588, 1.702)

(1.200, 1.333)

(1.105, 1.235)

(1.177, 1.268)

Age

1.070***

1.045***

1.059***

(1.061, 1.078)

(1.035, 1.054)

(1.055, 1.062)

Education

 No education

Ref.

Ref.

Ref.

 Primary

0.797***

0.776***

0.793***

(0.737, 0.862)

(0.719, 0.838)

(0.749, 0.841)

 Secondary

0.450***

0.464***

0.450***

(0.411, 0.492)

(0.425, 0.507)

(0.422, 0.481)

 Higher

0.139***

0.208***

0.158***

(0.098, 0.196)

(0.134, 0.322)

(0.121, 0.206)

Household size

 3 or less

Ref.

Ref.

Ref.

 4 to 5

0.916*

0.994

0.970

(0.832, 1.008)

(0.912, 1.082)

(0.912, 1.032)

 6 to 8

0.867***

1.034

0.959

(0.786, 0.956)

(0.946, 1.130)

(0.898, 1.023)

 9 or more

0.900*

1.105

0.992

(0.794, 1.019)

(0.974, 1.255)

(0.906, 1.086)

Wealth index quintiles

  1st (Poorest)

Ref.

Ref.

Ref.

 2nd (Poorer)

0.683***

0.797***

0.733***

(0.639, 0.730)

(0.746, 0.852)

(0.698, 0.769)

 3rd (Middle)

0.515***

0.579***

0.542***

(0.472, 0.562)

(0.535, 0.627)

(0.509, 0.576)

 4th (Richer)

0.333***

0.443***

0.385***

(0.294, 0.378)

(0.396, 0.496)

(0.353, 0.420)

 5th (Richest)

0.167***

0.241***

0.205***

(0.132, 0.212)

(0.203, 0.286)

(0.179, 0.236)

Religion

 Hindu

Ref.

Ref.

Ref.

 Muslim

1.244***

1.330***

1.287***

(1.109, 1.395)

(1.197, 1.477)

(1.184, 1.400)

 Christian

0.703**

0.654***

0.677***

(0.534, 0.926)

(0.529, 0.808)

(0.562, 0.815)

 Sikh

0.054***

0.275***

0.181***

(0.012, 0.238)

(0.131, 0.580)

(0.094, 0.349)

 Buddhist

0.691*

0.807

0.756**

(0.466, 1.024)

(0.553, 1.177)

(0.573, 0.998)

 Other

1.017

1.274

1.108

(0.768, 1.348)

(0.951, 1.708)

(0.889, 1.380)

Caste

 Not backward class

Ref.

Ref.

Ref.

 Scheduled caste

1.320***

1.379***

1.348***

(1.172, 1.487)

(1.237, 1.537)

(1.237, 1.469)

 Scheduled tribe

1.798***

1.746***

1.779***

(1.579, 2.048)

(1.548, 1.969)

(1.615, 1.960)

 Other backward class

0.988

1.063

1.028

(0.887, 1.101)

(0.968, 1.168)

(0.953, 1.108)

Residence

 Rural

Ref.

Ref.

Ref.

 Urban

1.460***

1.299***

1.380***

(1.308, 1.630)

(1.173, 1.439)

(1.269, 1.501)

 Observations

190,551

119,402

309,953

190,069

119,281

309,681