Table A-9.

Truncated Negative Binomial Regression of Total Days per Year

Variable	Coefficient	Standard Error	T Statistic	P Value	Confidence Interval	Variable
Distance from residence to coast (mi.)	−0.045	0.010	−4.443	0.0000	−0.065	−0.025
Household Size	−0.087	0.056	−1.572	0.1160	−0.196	0.022
Age	0.059	0.027	2.166	0.0303	0.006	0.112
Age squared	−0.0004	0.0003	−1.525	0.1273	−0.001	0.0001
Female	0.085	0.131	0.650	0.5160	−0.172	0.342
Nonwhite	−0.648	0.363	−1.785	0.0742	−1.359	0.063
4-year college or graduate degree	0.109	0.145	0.752	0.4521	−0.175	0.392
Household income $100,000 or higher	0.541	0.140	3.863	0.0001	0.266	0.815
Constant	1.645	0.709	2.321	0.0203	0.256	3.035
ln(alpha)	0.786	0.098			0.594	0.977
Alpha	2.194	0.214			1.812	2.656

Dependent variable: days spent in last 12 months (truncated at 365)

N = 700 Log Pseudolikelihood = −7073729.6

Wald chi²(8) = 66.91 Prob > chi² = 0.0000

Pseudo R² = 0.016