Table 1.

Overall Linkage Consent Rates by Respondent Characteristics and Experimental Conditions.

			Experimental conditions
	Overall		Control		Time savings		Improved study value
Respondent characteristics	%	SE	%	SE	%	SE	%	SE
Age (in years)
15–32	84.46	1.15	84.80	1.88	85.15	1.83	83.42	1.87
33–45	83.38	1.03	81.40	1.93	85.39	1.53	83.30	1.72
46–53	84.66	0.93	83.48	1.75	85.81	1.50	84.81	1.68
54–84	86.38	0.95	85.78	1.63	87.59	1.66	85.73	1.65
Sex
Female	86.42*	0.73	85.53*	1.15	87.80*	1.16	85.88	1.34
Male	83.00*	0.73	82.03*	1.20	84.17*	1.10	82.84	1.22
Immigrant background
Yes	83.06	1.11	81.69	2.22	84.79	1.89	82.63	1.88
No	85.30	0.56	84.63	0.93	86.45	0.91	84.82	1.02
Hypothesized indicators
Actual weekly working hours
25 or less	82.86	1.00	83.17	1.91	83.32	1.57	82.01*	1.69
25 – 39	84.14	1.05	85.08	1.65	85.06	1.59	82.23*	1.73
40 or more	85.78	0.67	83.34	1.25	87.77	1.14	86.28*	1.19
# of children
0	85.57	0.62	85.72*	1.04	86.03	1.01	84.94	1.13
1	83.14	1.35	82.68*	2.25	85.98	2.13	80.36	2.49
2 or more	84.93	1.41	79.79*	2.53	90.39	1.84	83.99	2.46
Education
Low	81.76*	1.22	81.22	2.08	81.27*	2.11	82.91	1.95
Intermediate	85.11*	0.80	83.43	1.44	87.55*	1.20	84.25	1.34
High	85.84*	0.79	85.37	1.34	86.99*	1.29	85.19	1.56
# of worker’s rights withheld
0	85.04	0.54	83.58	0.97	86.50	0.88	85.08	0.96
1 or more	83.30	1.50	83.14	2.30	83.99	2.36	82.74	2.24
N	7,561		2,564		2,580		2,417

^*p < 0.05, two-sided, chi-square test