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. Author manuscript; available in PMC: 2015 Sep 8.
Published in final edited form as: Indian J Cancer. 2014 Dec;51(0 1):S33–S38. doi: 10.4103/0019-509X.147452

Table 1.

Logit estimates of prevalence of zarda use and OLS estimates of the frequency of daily use of zarda.

Model 1 Model 2

Prevalence: Logit estimation Intensity: OLS estimation Prevalence: Logit estimation Intensity: OLS estimation

Marginal effect z-stat Coef. t-stat Marginal effect z-stat Coef. t-stat
Zarda price -0.0538** -2.52 1.8678*** 2.93
Zarda price-cheaper brands -0.5003*** -12.09 1.8426 1.36
Interaction for zarda price-higher-price brands 0.3671*** 12.37 0.0204 0.02
Cigarette price 0.0030*** 5.54 0.0289 1.45 0.0025*** 4.73 0.0289 1.44
Bidi price 0.0096 1.63 -0.0332 -0.14 0.0055 0.96 -0.0333 -0.14
Household income 0.0000 0.79 0.0000 0.74 0.0000 0.89 0.0000 0.74
Level of education
Primary (1–5 years) -0.0429*** -4.21 -0.4338 -1.09 -0.0432*** -4.34 -0.4336 -1.09
Secondary (6–8 years) -0.0613*** -5.11 -0.1656 -0.28 -0.0565*** -4.76 -0.1652 -0.27
Secondary School Certificate (9–10 years) -0.1024*** -9.22 -0.8861 -1.01 -0.0986*** -9.25 -0.8862 -1.01
Higher Secondary Certificate (11–12 years) -0.1304*** -11.3 -2.7031 -1.29 -0.1272*** -12.08 -2.7035 -1.29
Bachelor's and above (14 years and above) -0.1436*** -14.4 -3.5404 -1.50 -0.1350*** -13.31 -3.5412 -1.5
Occupation
Tenant farmer 0.0005 0.01 -0.2840 -0.22 0.0164 0.42 -0.2845 -0.22
Self-employed in non-farm agriculture 0.0198 0.35 1.9558 1.00 0.0357 0.61 1.9562 1.00
Self-employed in non-agricultural activity 0.0024 0.09 0.9040 0.99 0.0096 0.36 0.9038 0.99
Farm wage labourer -0.0174 -0.60 0.5976 0.49 -0.0123 -0.42 0.5971 0.49
Non-farm agricultural wage labourer -0.0876** -3.19 -1.3764 -0.67 -0.0770*** -2.67 -1.3733 -0.67
Non-agricultural wage labourer -0.0168 -0.69 0.6548 0.69 -0.0024 -0.09 0.6561 0.69
Professional 0.0083 0.16 1.8835 1.03 0.0095 0.18 1.8828 1.03
Managerial/administrative/clerking 0.0135 0.27 1.0615 0.62 0.0140 0.28 1.0607 0.61
Student -0.0562 -1.14 4.3982 1.62 0.0517*** 0.37 4.3960 1.61
Unemployed -0.0138 -0.50 0.6096 0.59 0.0293*** 0.96 0.6095 0.59
Homemaker -0.0109 -0.44 0.3596 0.40 0.0260*** 0.73 0.3604 0.40
Others 0.0363 1.42 1.2398 1.47 0.0270*** 0.08 1.2409 1.47
Female 0.1203*** 6.60 0.0566 0.11 0.1031*** 5.81 0.0566 0.11
Age 0.0041*** 12.81 0.0072 0.59 0.0039*** 12.52 0.0072 0.59
Married 0.0092 0.68 0.4260 0.88 0.0067 0.49 0.4259 0.88
Parents use(d) SLT 0.0623*** 5.99 0.6955 1.54 0.0102*** 0.00 0.6949 1.54
Grandparents use(d) SLT 0.0043 0.43 -0.0708 -0.20 0.0099*** 0.94 -0.0713 -0.20
Rural area of residence 0.0555*** 4.25 1.1366** 2.33 0.0126*** 0.00 *1.1371** 2.32
Floating sample 0.0782*** 3.96 2.1263*** 3.99 0.0260 0.00 * 2.1279* 3.95
Border sample -0.0136 -0.32 -2.2180 -1.24 0.0601*** 0.34 -2.2172 -1.23
Tribal sample -0.0536** -2.42 -2.2358** -2.01 0.0253*** 0.15 * -2.2355* -2.01
Constant -4.8400*** -10.90 1.4673 0.69 -3.6921*** -8.11 1.4728 0.68

Observations 5429 725 5429 725

Pseudo-R squared 0.1372 0.1681

Adjusted-R squared 0.0453 0.044

Own price elasticity: Lower-price brands -0.09 -0.64


 Higher-price brands -0.39

Cross price elasticity (cigarette) 0.35

Note: The t statistics of the coefficients are in parentheses. Omitted categories include male gender, single, illiterate, owner farmers (occupation), urban area of residence and national sample.

*

p<0.05,

**

p<0.01,

***

p<0.001. OLS, ordinary least square