Referral to an Electronic Screening and Brief Alcohol Intervention in Primary Health Care in Sweden: Impact of Staff Referral to the Computer

Table 3

Changes in drinking variables between baseline and at 3 month followup among staff-referred and self-referred patients.

	Staff-referred group; 𝑛=208	Self-referred group; 𝑛=139	𝑃-value
Average weekly consumption (g)	𝑛=203	𝑛=131
Baseline, mean (median)	91.0 (72)	88.2 (72)	.757
Followup, mean (median)	82.6 (60)	90.6 (72)	.317
Absolute change (𝑃-value)	−8.4 (0.043)^a	2.4 (0.642)^b	.102
Relative change (%)	−9	2
Number of HED occasions per month	𝑛=199	𝑛=136
Baseline, mean (median)	4.5 (3)	4.5 (3)	.897
Followup, mean (median)	2.3 (1)	1.7 (1)	.117
Absolute change (𝑃-value)	−2.2 (0.000)^c	−2.8 (0.000)^d	.465
Relative change (%)	−49	−62
Changed from risk to no risk	𝑛=208	𝑛=139
Changed from risk to no risk, %	42	35	.095

^aTest for change in average weekly intake within the “Staff-referred group”.
^bTest for change in average weekly intake within the “Self-referred group”.
^cTest for change in number of HED occasions per month within the “Staff-referred” group.
^dTest for change in number of HED occasions per month within the “Self-referred test” group.