Table 3 Dual group-based trajectory modeling of polypharmacy and adherence to antiretroviral therapy

3a. Probability of polypharmacy group conditional on adherence group /all medications

Adherence trajectory group

Polypharmacy trajectory group

Consistently high

Moderate decreasing

Low increasing

Consistently

low

Total

Consistently high

0.31

0.14

0.14

0.41*

1

High decreasing

0.3

0.22

0.15

0.33

1

Moderate increasing

0.33

0.15

0.02

0.5*

1

Consistently moderate

0.28

0.16

0.10

0.46*

1

Consistently low

0.13

0.28

0.15

0.44*

1

3b. Probability of adherence conditional on polypharmacy/ all medications

Adherence trajectory group

Polypharmacy trajectory group

Consistently high

Moderate decreasing

Low increasing

Consistently

low

Consistently high

0.22

0.15

0.23

0.19

High decreasing

0.19

0.21

0.23

0.14

Moderate increasing

0.12

0.08

0.02

0.11

Consistently moderate

0.40*

0.35*

0.34*

0.42*

Consistently low

0.07

0.21

0.18

0.14

Total

1

1

1

1

3c. Joint probability of adherence and polypharmacy / all medications

Adherence trajectory group

Polypharmacy trajectory group

Consistently high

Moderate decreasing

Low increasing

Low

Consistently high

0.06

0.03

0.03

0.08

High decreasing

0.11*

0.06

0.04

0.18*

Moderate increasing

0.05

0.04

0.03

0.06

Consistently moderate

0.03

0.01

0.00

0.05

Consistently low

0.02

0.04

0.02

0.06