Table 3 Odds ratios of dengue and chikungunya by socioeconomic and housing variables in older adults in India, LASI-1 (2017-2018)

45-54 years

1

1

1

1

55-69 years

0.76*

0.69**

0.53 – 0.91

0.89

0.87

0.72 – 1.04

≥ 70 years

0.80

0.65

0.42 – 1.02

0.72*

0.71**

0.55 – 0.90

   Female

1

1

   Male

0.76*

0.82*

   Rural

1

1

1

1

   Urban

1.47*

1.57**

1.18 – 2.11

1.45**

1.84**

1.36 – 2.49

   Poorest

1

1

1

1

   Poorer

1.19

1.36

0.93 – 2.01

1.17

1.34

1.03 – 1.75

   Middle

1.15

1.34

0.89 – 2.01

1.43*

1.65**

1.17 – 2.32

   Richer

1.50*

1.81**

1.23 – 2.68

1.44**

1.72**

1.31 – 2.26

   Richest

1.65*

2.10**

1.34 – 3.31

1.52**

1.92*

1.44 – 2.56

   0 School years

1

1

1

1

   1-5 School years

0.91

0.81

0.52 – 1.27

0.85

0.80*

0.64 – 0.99

   6-12 School years

0.83

0.58**

0.41 – 0.83

0.88

0.70**

0.57 – 0.86

   college & above

0.49*

0.24**

0.12 – 0.49

0.86

0.56**

0.38 – 0.85

   Scheduled tribe

1

1

1

   Scheduled caste

2.06*

2.28**

1.89**

1.28 – 2.81

   Other backward caste

1.43

1.81*

1.51*

1.05 – 2.16

   Forward caste

1.77

2.55**

2.24**

1.55 – 3.26

   Not a current worker

1

1

1

   Agricultural and allied

0.52**

0.54**

0.39 – 0.77

1.06

   Self-employed /Wages

0.94

0.90

0.67 – 1.20

1.03

   1-5 members

1

1

   ≥ 6 members

0.97

1.04

   Pucca/Semi Pucca

1

1

1

   Kutcha

0.66

0.51**

0.50**

0.37 – 0.67

   Own dwelling

1

1

1

1

   Own yard/plot

0.51**

0.55**

0.37 – 0.80

0.51**

0.57**

0.45 – 0.72

   Outside dwelling

0.88

1.02

0.73 – 1.41

0.96

1.15

0.94 – 1.41

   Flush type

1

1

   Pit/twin

1.12

1.33

1.63**

1.34 – 1.99

   Open defecation

0.84

1.24

1.79**

1.33 – 2.40

   Clean

1

1

   Unclean

0.80

0.83*

   No

1

1

1

   Yes

1.17

0.66**

0.63**

0.51– 0.78