Real-World Evidence from the Integrative Medicine Primary Care Trial (IMPACT): Assessing Patient-Reported Outcomes at Baseline and 12-Month Follow-Up
Table 3
Patient reported outcomes at baseline and 12-month follow-up.
n
Baseline
12 Months
%
Mean
(SD)
Mean
(SD)
Change
Short Form Health Survey 12-Item (SF-12)
Health in general
175
63.9
(23.2)
68.9
(22.5)
8%
Physical Component Summary
165
45.4
(10.8)
47.6
(10.1)
5%
Mental Component Summary
165
47.2
(10.6)
50.3
(9.3)
7%
Perceived Stress Scale (PSS-4) summary (0-16)
165
4.8
(3.1)
4.36
(2.9)
-8%
Stress response and amount summary (0-12)
156
7.3
(2.1)
6.5
(2.0)
-10%
Work Productivity & Activity Impairment (WPAI)
% Absenteeism (employed)
101
5.1
(13.5)
3.2
(11.2)
-38%
% Presenteeism (employed)
101
19.5
(20.9)
14.1
(20.0)
-28%
% Overall work impairment (employed)
100
22.6
(24.0)
15.7
(22.3)
-31%
% activity impairment due to health (whether or not employed)
162
26.0
(26.4)
22.0
(27.5)
-16%
WHO-5 Overall well-being (0 to 100)
165
55.6
(19.7)
62.2
(19.6)
12%
Pain Visual Analog Scale (pVAS)
65
3.8
(2.2)
2.4
(2.2)
-37%
Fatigue Visual Analog Scale (fVAS)
94
5.9
(1.8)
3.8
(2.3)
-36%
Fatigue Severity Scale (FSS)
93
4.3
(1.4)
3.2
(1.4)
-26%
Generalized Anxiety Disorder 2 (GAD-2)
158
1.6
(1.6)
1.1
(1.2)
-28%
Patient Health Questionnaire 2 (PHQ-2 depression)
158
1.2
(1.5)
0.8
(1.3)
-29%
Global Rating of Sleep Quality (PSQI Item #9)
127
1.5
(0.7)
1.2
(0.7)
-21%
Diet Quality (BRFSS)
Fruits: Median # consumed daily
150
1.4
--
1.4
--
-1%
Vegetables: Median # consumed daily
155
2.6
--
3.0
--
15%
Exercise & Physical Activity (BRFSS)
Primary activity (# times weekly)
126
3.6
(2.5)
4.3
(3.0)
18%
Second activity (# times weekly)
87
2.4
(2.0)
2.9
(3.3)
19%
Muscle strengthening (# times weekly)
133
1.4
(1.6)
1.7
(2.1)
26%
p < .05 p < .01 p < .001 Note. Although means and standard deviations are reported for consistency in this table (except for BRFSS), p values are based on paired t tests or the nonparametric alternative, Wilcoxon signed ranks test, where appropriate.
