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. Author manuscript; available in PMC: 2016 May 1.
Published in final edited form as: Internet Interv. 2015 Feb 16;2(2):103–109. doi: 10.1016/j.invent.2015.02.001

Table 5. Program Benchmarks completed and dates completed by condition.

DD.com only
n=156
DD.com + MI
n=156*
n (%) n (%) Chi Squared Test
Completed Cores 0-5 108 (69.2%) 119 (76.3%) X2=.50, ns
Completed Cores 0-4 116 (74.4%) 124 (79.5%) X2=2.45(p=.12)
Completed Cores 0-3 128 (82.1%) 136 (87.2%) X2=.15, ns
Completed Cores 0-2 142 (91.0%) 147 (94.2%) X2=.01, ns
Completed Cores 0-1 148 (94.9%) 154 (98.7%) X2=.89, ns
Completed Core 0 152 (97.4%) 154 (98.7%) X2=.12, ns
Completed no Cores 4 (2.6%) 2 (1.3%) X2=.12, ns
Mean (SD) Mean (SD) t-test+
# Cores completed 5.1 (1.6) 5.3 (1.3) ns
Core 4 completion day 80.9 (85.8) 60.6 (47.3) t=-2.29, p = 0.03
Daily Progress Notes (DPNs) Completed Core 2 4.7 (2.7) 4.7 (3.0) ns
DPNs Core 3 4.6 (3.2) 4.3 (2.5) ns
DPNs Core 4 4.0 (3.0) 4.0 (2.7) ns
DPNs Core 5 2.3 (1.7) 2.6 (1.7) ns
MDD 1 completion day 148 (93) 124 (41) t=-2.74,p = 0.01
MDD 2 completion day 180 (89) 157 (54) t =-2.58, p = 0.02
MDD 3 completion day 210 (87) 190 (59) t =-2.12, p = 0.04
MDD 4 completion day 238 (82) 220 (53) t =-2.02, p = 0.05
MDD 5 completion day 268 (79) 248 (46) t =-2.40,p = 0.02
MDD 6 completion day 298 (75) 278 (43) t =-2.48, p = 0.02
MDD 7 completion day 323 (66) 308 (42) t=-2.14,p = 0.04
MDD 8 completion day 353 (58) 336 (34) t =-2.86, p = 0.005
MDD 9 completion day 377 (47) 365 (28) t =-2.55, p = 0.02
MDD 10 completion day 404 (37) 392 (22) t =-2.94, p = 0.004
MDD 11 completion day 428 (27) 424 (20) t=-1.41,p = 0.16
MDD 12 completion day 454 (18) 450 (14) t=-1.99,p = 0.05
MDD 15 completion day 468 (7) 467 (5) t =-0.97, p = 0.33
*

For these analyses, only the 156 DD.com plus MI participants who had an MI session were included.

+

Due to inequality of variances, these t-tests required Satterthwaite corrections (Moser, Stevens, & Watts, 1989).