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. 2015 Sep 21;4:529. doi: 10.1186/s40064-015-1279-x

Table 8.

Modeling “Extra thank-you money” against “Illness” and “Income Rank”

β0 Illness Income rank
Bad Emergency High Low
β1 β2 β3 β4
Logit (HiPay|Neg) 0.5079
[0.5813]
(0.8737)
−1.7684***
[0.4560]
(−3.8778)
−1.4804***
[0.4851]
(−3.0520)
−0.5079
[0.6657]
(−0.7629)
−0.9134*
[0.4835]
(−1.8891)
Logit (MedPay|Neg) 0.6104
[0.5128]
(1.1902)
−1.0751***
0.41346
(−2.6003)
−1.4605***
[0.4880]
(−2.9930)
−0.9899
[0.6265]
(−1.5799)
−1.0804***
[0.3933]
(−2.7471)

Residual deviance: 3.81 on 2 df; Log-likelihood: −24.11 on 2 df

[SE] in square bracket and (z value) in parentheses. Baseline category: pay negligible “extra envelop” amount

***, **, * Denote coefficients significant at 1, 5 and 10 %, respectively