. test 1. Occupation 2. Occupation | . test 1. Occupation 2. Occupation | ||
(1) | [Visits] 1. Occupation = 0 | (1) | [Visits] 1. Occupation = 0 |
(2) | [Visits] 2. Occupation = 0 | (2) | [Visits] 2. Occupation = 0 |
 | chi2 (2) = 0.12 |  | chi2 (2) = 0.14 |
 | Prob > chi2 = 0.9431 |  | Prob > chi2 = 0.9314 |
 | (a: negative binomial) |  | (b: Poisson) model |