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. 2024 Mar 20;12:e51236. doi: 10.2196/51236

Table 2.

Predictors of the degree of engagement.a

Predictors Number of FEV1 submissions Number of symptom submissions

Estimate (95% CI) P value Estimate (95% CI) P value
Age (years) 0.35 (–0.13 to 0.82) .16 0.21 (–0.20 to 0.62) .32
Race or ethnicity (vs White)

Asian, Native Hawaiian, or other Pacific Islander 0.90 (–13.53 to 7.62) .92 –2.94 (–17.31 to 11.44) .69

Black or African American –8.32 (–0.13 to 0.82) .23 –8.42 (–20.83 to 3.98) .18

Hispanic or Latino –2.96 (–21.82 to 5.19) .58 –3.49 (–13.16 to 6.18) .48

Other 5.91 (–6.73 to 18.56) .36 5.60 (–6.23 to 17.42) .35
Marital status (vs married or partnered)

Single or separated or other –13.86 (–22.13 to –5.59) <.01 –11.59 (–19.23 to –3.95) <.01
Insurance (vs commercial)

Medicare 2.43 (–7.63 to 12.48) .64 5.40 (–3.62 to 14.42) .24

Medicaid 1.08 (–13.77 to 15.92) .89 3.42 (–10.38 to 17.22) .63

Other –9.10 (–38.03 to 19.82) .54 –11.27 (–34.86 to 12.31) .35
Sex (vs male)

Female 0.42 (–7.09 to 7.94) .91 0.07 (–6.82 to 6.96) .98
Primary language (vs English)

Non-English –11.38 (–25.65 to 2.90) .12 –10.51 (–23.95 to 2.93) .12
Transplant date ≥1 year of enrollment date –16.42 (–23.75 to –9.10) <.01 –14.71 (–21.53 to –7.88) .01
Rural –1.55 (–19.04 to 15.94) .86 0.88 (–15.77 to 17.54) .92
ADIb national percentile –0.07 (–0.26 to 0.13) .49 –0.09 (–0.27 to 0.09) .32
Diagnosis (vs restrictive disease)

Cystic fibrosis –3.15 (–19.65 to 13.36) .71 –7.07 (–21.38 to 7.24) .33

Obstructive disease 0.39 (–10.56 to 11.34) .94 2.09 (–8.18 to 12.36) .69

Pulmonary hypertension –9.78 (–26.75 to 7.19) .26 –8.49 (–24.10 to 7.12) .29

Other disease 8.97 (–16.77 to 34.70) .49 9.64 (–14.92 to 34.20) .44

aResults from a multivariate linear regression model (n=568).

bADI: Area Deprivation Index.