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. Author manuscript; available in PMC: 2015 Jan 1.
Published in final edited form as: Diabetes Educ. 2013 Nov 18;40(1):48–59. doi: 10.1177/0145721713512682

Table 1.

Growth curve modeling results for the patients with diabetes

Outcome Pre-intervention
Estimate,
(95% CI)
Post-intervention1
Estimate,
(95% CI)
1-Month F/U2
Estimate,
(95% CI)
Slope,
(95% CI),
P-value
HbA1c (%) 8.1 (7.38, 8.89) 7.9 (7.15, 8.55) 7.7 (7.01, 8.44) −0.028 (−0.059, 0.002) 0.0683
BMI (kg/m2) 35.10 (33.21, 36.98) 34.88 (33.03, 36.74) 34.79 (32.93, 36.64) −0.021 (−0.045, 0.003) 0.0808
Waist (cm) 106.26 (102.65, 109.65) 105.42 (101.96, 108.89) 105.05 (101.58, 108.52) −0.083 (−0.167, 0.001) 0.0516
SBP (mmHg) 133.82 (126.38, 141.25) 126.98 (120.88, 133.07) 123.90 (117.03, 130.77) −0.684 (−1.210, −0.158) 0.0124
DBP (mmHg) 82.46 (78.52, 86.40) 80.49 (77.49, 83.49) 79.60 (76.28, 82.93) −0.197 (−0.471, 0.077) 0.1536
LDL (mg/dL) 92.90 (82.67, 103.13) 85.57 (75.98, 95.16) 82.27 (70.76, 93.78) −0.733 (−1.553, 0.087) 0.0788
MET-min/week 6,494.46 (4,579.69, 8,409.22) 6,796.76 (4,788.15, 8,805.37) 6,932.80 (4,310.24, 9,555.35) 30.230 (−171.72, 232.18) 0.7618
Kcal/week 9,108.76 (6,411.07, 11,806) 9,615.33 (6,611.31, 12,619) 9,843.29 (5,954.07, 13,733) 50.658 (−234.50, 335.82) 0.7187
Diabetes Self-efficacy (α=.87) 6.55 (5.92, 7.18) 7.84 (7.43, 8.25) 8.42 (7.98, 8.86) 0.129 (0.084, 0.174) <0.0001
DFBC nonsupportive (α=.64) 19.27 (17.70, 20.84) 20.69 (19.58, 21.80) 21.33 (19.85, 22.800 0.142 (−0.010, 0.294) 0.0658
DFBC Supportive (α=.70) 25.64 (23.61, 27.67) 27.33 (26.01, 28.65) 28.09 (26.38, 29.80) 0.169 (−0.015, 0.354) 0.0711
SDSCA Diet (α=.50) 2.32 (1.84, 2.80) 4.93 (4.42, 5.44) 4.58 (4.04, 5.11) ≤10 weeks:
0.261
(0.186, 0.335)
<0.0001

increment >10:
−0.340
(−0.543, −0.137)
0.0019
SDSCA General diet (α=.81) 1.98 (1.37, 2.60) 4.75 (4.03, 5.47) 4.51 (3.89, 5.14) ≤10 weeks:
0.277
(0.172, 0.381)
<0.0001

increment >10:
−0.329
(−0.604, −0.055)
0.0209
SDSCA Specific diet (α=.32) 3.59 (3.04, 4.14) 4.42 (3.97, 4.87) 4.79 (4.23, 5.35) 0.083 (0.034, 0.132) 0.0016
SDSCA Exercise (α=.66) 2.05 (1.26, 2.83) 2.10 (1.62, 2.57) 2.12 (1.63, 2.62) 0.005 (−0.048, 0.059) 0.8444
SDSCA Blood (α=.94) 1.29 (0.58, 1.99) 1.12 (0.32, 1.92) 2.32 (1.32, 3.31) ≤10 weeks:
−0.017
(−0.097, 0.064)
0.6776

increment >10:
0.282
(0.035, 0.530)
0.0265
SDSCA foot 4.21 (3.19, 5.24) 6.63 (6.04, 7.22) 5.91 (5.11, 6.71) ≤10 weeks:
0.242
(0.125, 0.358)
0.0002

increment >10:
−0.401
(−0.636, −0.165)
0.0016
SDSCA smoke 7.4% (2.0%, 24.1%) 3.3% (0.8%, 12.0%) 2.2% (0.3%, 13.2%) −0.087 (−0.244, 0.071) 0.2763
SDSCA meds 6.14 (5.35, 6.92) 6.08 (5.41, 6.74) 6.05 (5.22, 6.87) −0.006 (−0.075, 0.063) 0.8590
SKILLD Score (KR-20=.65) 4.07 (3.32, 4.82) 9.08 (8.32, 9.85) 8.62 (8.08, 9.17) ≤10 weeks:
0.501
(0.389, 0.614)
<0.0001

increment >10:
−0.604
(−0.900, −0.307)
0.0003
BRFSS item #1 3.38 (2.81, 3.95) 3.59 (3.18, 4.00) 3.68 (3.19, 4.17) 0.021 (−0.026, 0.067) 0.3734
BRFSS score (mean of reversed items 2–6) (α=.60) 3.46 (3.18, 3.73) 4.06 (3.87, 4.25) 3.70 (3.44, 3.96) ≤10 weeks:
0.060
(0.028, 0.092)
0.0006

increment >10:
−0.140
(−0.227, −0.054)
0.0021
PCS-12 (α=.70) 61.53 (53.62, 69.45) 69.42 (63.30, 75.54) 72.96 (66.78, 79.15) 0.788 (0.364, 1.213) 0.0006
MCS-12 (α=.74) 58.40 (52.41, 64.38) 63.98 (59.51, 68.46) 66.50 (61.45, 71.55) 0.559 (0.123, 0.994) 0.0134
1

Mean time from pre- of all patients post-intervention was approximately 10 weeks

2

Mean time from pre- of all patients at 1-month follow-up was approximately 14.5 weeks