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. 2026 Feb 17;28:e78731. doi: 10.2196/78731

Table 4.

Comparison of medication adherence, medication knowledge, medication attitude, medication behavior, medication belief, and social support scores between the intervention group (IG) and control group (CG) across time points using generalized estimating equations among older adults living with type 2 diabetes mellitus in Henan, China.

Variable Medication knowledgea Medication attitudeb Social supportc Medication beliefd Medication behaviore Medication adherencef

β (95% CI) P value β (95% CI) P value β (95% CI) P value β (95% CI) P value β (95% CI) P value β (95% CI) P value
Group effect

CG Refg Ref Ref Ref Ref Ref Ref Ref Ref Ref Ref Ref

IG 7.887 (3.428 to 12.345) .001h 2.465 (1.466 to 3.464) <.001h 1.277 (–4.771 to 7.352) .679 1.845 (1.078 to 2.613) <.001h 2.731 (1.639 to 3.823) <.001h 2.288 (0.681 to 3.894) .005h
Time effect

T0i Ref Ref Ref Ref Ref Ref Ref Ref Ref Ref Ref Ref

T1j 7.093 (4.564 to 9.623) <.001h 3.103 (2.370 to 3.836) <.001h 0.397 (–0.564 to 1.358) .418 1.632 (1.125 to 2.140) <.001h 2.441 (1.848 to 3.034) <.001h 2.601 (1.858 to 3.363) <.001h

T2k 4.844 (2.462 to 7.227) <.001h 1.662 (1.059 to 2.264) <.001h –0.574 (–1.491 to 0.344) .221 0.588 (0.062 to 1.114) .028h 1.125 (0.586 to 1.664) <.001h 1.684 (0.958 to 2.409) <.001h
Timepoint×Group effect

T0 × CG Ref Ref Ref Ref Ref Ref Ref Ref Ref Ref Ref Ref

T1 × IG 11.592 (6.923 to 16.260) <.001h 5.467 (4.531 to 6.763) <.001h 0.008 (–1.834 to 2.011) .928 2.882 (1.990 to 3.775) <.001h 4.176 (3.220 to 5.133) <.001h 4.956 (3.702 to 6.210) <.001h

T2× IG 6.055 (1.401 to 10.710) .011h 3.059 (1.969 to 4.149) <.001h –0.147 (–1.982 to 1.688) .875 1.882 (0.880 to 2.885) <.001h 2.426 (1.429 to 3.424) <.001h 3.691 (2.379 to 5.003) <.001h

aGroup: QIC=105,178.155, QICC=105,173.944, time: QIC=106,219.108, QICC=106,219.108, time × group: QIC=99,054.337, QICC=99,054.337.

bGroup: QIC=5783.910, QICC=5780.419, time: QIC=5787.824, QICC=5787.824, time × group: QIC=4587.706, QICC=4687.706.

cGroup: QIC=37,306.144, QICC=36,267.594, time: QIC=37,378.507, QICC=37,378.597, time × group: QIC=37,198.191, QICC=37,198.191.

dGroup: QIC=3561.609, QICC=3558.406 time: QIC=3643.971, QICC=3643.971, time × group: QIC=3227.618, QICC=3227.618.

eGroup: QIC=6009.207, QICC=6004.590, time: QIC=6301.456, QICC=6301.456, time × group: QIC=5304.176, QICC=5304.176.

fGroup: QIC=11,557.678, QICC=11,551.984 time: QIC=11,731.963, QICC=11,731.963, time × group: QIC=10,617.505, QICC=10,617.505.

gRef: Reference group.

hSignificant at P<.05.

iT0: baseline.

jT1: postintervention.

kT2: 3-month follow up.