Table 3.
Explanatory variables | Bivariate probit with selectivity correction |
Ordinary probit | ||||
---|---|---|---|---|---|---|
Participate or not |
Meeting the recommended level |
Meeting the recommended level |
||||
Coefa. | ME | Coefa. | ME | Coefa. | ME | |
Degree qualification | 0.159*** | 0.064 | ||||
Employed | −0.081* | −0.032 | ||||
Age | −0.022*** | −0.009 | −0.017*** | −0.004 | −0.021*** | −0.003 |
Access to vehicle | −0.184** | −0.047 | −0.148** | −0.026 | ||
Ethnicityb | ||||||
Mixed | 0.130 | 0.033 | 0.016 | 0.003 | ||
Asian | −0.080 | −0.018 | −0.100 | −0.016 | ||
Black | −0.042 | −0.010 | −0.104 | −0.016 | ||
Chinese | −0.611** | −0.104 | −0.519** | −0.060 | ||
Marital statusc | ||||||
Other | 0.028 | 0.012 | ||||
Married (living) | −0.106** | −0.041 | ||||
Income | 0.000*** | 0.000 | 0.000*** | 0.000 | 0.000*** | 0.000 |
Full time work | −0.139** | −0.055 | ||||
No. of children | 0.050 | 0.019*** | ||||
Drinkers | 0.135** | 0.052 | ||||
Smokers | −0.215*** | −0.085 | −0.302*** | −0.067 | −0.304*** | −0.045 |
Voluntary activity | ||||||
Health statusd | ||||||
Good health | 0.717*** | 0.276 | 0.339** | 0.050 | ||
Fair health | 0.431*** | 0.163 | −0.041 | −0.022 | ||
Obese | −0.131*** | −0.051 | −0.301*** | −0.065 | −0.274*** | −0.041 |
Seasonal effect e | ||||||
Summer | 0.309*** | 0.121 | 0.070 | 0.017 | 0.143** | 0.025 |
Spring | 0.131** | 0.052 | 0.101 | 0.025 | 0.131** | 0.023 |
Autumn | 0.135*** | 0.053 | 0.177** | 0.044 | 0.172** | 0.030 |
Region of residencef | ||||||
North east | −0.405*** | −0.159 | ||||
North west | −0.239*** | −0.095 | ||||
Yorkshire | −0.179** | −0.073 | ||||
East Midlands | −0.128* | −0.053 | ||||
West Midlands | −0.132* | −0.054 | ||||
East | −0.074 | −0.033 | ||||
London | −0.268*** | −0.107 | ||||
South west | −0.102 | −0.044 | ||||
Constant | 0.140 | −0.263 | ||||
Observations | 6324 | 3425 | 6324 | |||
Rho | 0.154 | 0.154 | ||||
P = 0.524 | P = 0.524 |
Coef, Coefficients; ME, Marginal effects.
a: The estimated parameters and asterisks show significance level of 1% (***), 5% (**) and 10% (*).
b: Reference category: white.
c: Reference category: single.
d: Reference category: poor health.
e: Reference category: winter.
f: Reference category: south east.
Hausman specification test (null hypothesis: difference in coefficients in two models is not systematic): Chi2 (7) = 10.13; P = 0.60.