Table 6.

Negative Binomial Model Estimates on The Number of Times Discordance Resolving in Patient’s Favor

	Odds ratio	Standard Error	P Value
Aged 80 and over	0.349	0.239	0.143
Lower health status (in the 25th QALY percentile)	−0.125	0.222	0.572
No formal education	−0.441	0.321	0.170
Full-time, part-time or self employed	0.642	0.313	0.040
Male	−0.211	0.214	0.325
Patient wants to be in charge (i.e. the only decision maker)	0.410	0.198	0.038
Number of discordance within a dyad	0.387	0.056	0.000
Constant	−1.094	0.294	0.000
Log likelihood	− 178
Pseudo R-squared	0.134