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. 2013 Feb 7;13:21. doi: 10.1186/1472-6947-13-21

Table 3.

Baseline characteristics by wave

 
Wave 1
Wave 2
Wave 3
Wave 4
Characteristic Intervention Group Control Group Intervention Group Control Group Intervention Group Control Group Intervention Group Control Group
Demographic Characteristics
 Total Population--N
4150
1366
5122
6430
3257
1074
1372
1396
 Gender: Female--N (%)
2,355(56.8)
780(57.1)
3,342(65.3)
4,260(66.3)
2,020(62.0)
650(60.5)
806(58.8)
836(59.9)
 Plan Type: Medicare Advantage--N(%)
0(0.0)
0(0.0)
2,131(41.6)
2,691(41.9)
1,426(43.8)
455(42.4)
0(0.0)
0(0.0)
 Mean age--years
49.2
49
64.5
64.7
64.6
64.2
50.2
50.6
Age Group--N(%)
 0-30
157(3.8)
76(5.6)
24(0.5)
26(0.4)
29(0.9)
11(1.0)
45(3.3)
50(3.6)
 30-39
581(14.0)
163(11.9)
97(1.9)
132(2.1)
119(3.7)
49(4.6)
160(11.7)
136(9.7)
 40-49
1,229(29.6)
405(29.7)
533(10.4)
622(9.7)
363(11.2)
122(11.4)
400(29.2)
391(28.0)
 50-59
1,528(36.8)
511(37.4)
1,292(25.2)
1,645(25.6)
718(22.0)
239(22.3)
524(38.2)
546(39.1)
 60-64
541(13.0)
175(12.8)
732(14.3)
888(13.8)
453(13.9)
145(13.5)
172(12.5)
206(14.8)
 65-74
100(2.4)
34(2.5)
1,134(22.1)
1,408(21.9)
616(18.9)
200(18.6)
62(4.5)
59(4.2)
 75-84
14(0.3)
2(0.2)
964(18.8)
1,310(20.4)
714(21.9)
213(19.8)
8(0.6)
7(0.5)
 85+
0(0.0)
0(0.0)
346(6.8)
399(6.2)
245(7.5)
95(8.9)
1(0.1)
1(0.1)
Prior Year Costs--$/person/month
 Total
469.55
420.29
578.13
568.09
471.06
512.77
505.89
601.95
 Actionable
429.92
386.31
527.31
521.35
418.8
438.65
451.76
531.34
 Physician
54.76
49.94
39.92
38.93
16.04
16.32
60.98
66.11
 Facility
154.46
129.49
283.93
276.75
316.71
344.88
175.74
236.45
 Pharmacy
80.12
70.91
66.92
65.4
79.28
76.33
72.8
80.05
 Ancillary
180.2
169.96
187.37
187.07
59.03
75.24
197.95
220.4
Type of risk - N(%)
 Back
2,332(56.2)
750(54.9)
892(17.4)
1,088(16.9)
1,392(42.7)
515(48.0)
671(48.9)
682(48.9)
 Joint
1,818(43.8)
616(45.1)
4,230(82.6)
5,342(83.1)
1,866(57.3)
559(52.1)
701(51.1)
714(51.2)
Prior Year Health Coaching -- N(%) 478(11.5) 142(10.4) 562(11.0) 663(10.3) 261(8.0) 78(7.3) 82(6.0) 92(6.6)