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. 2022 Nov 4;24(11):e39728. doi: 10.2196/39728

Table 2.

Effect size measurements of differences by visit type, access to email, and survey responsiveness.

Characteristics Visit type Access to email Survey responsiveness

In-person only (n=15,759) ≥1 virtual visit (n=26,435) SMDa Nonemailable (n=29,050) Emailable (n=13,144) SMD Nonresponder (n=10,274) Responder (n=2870) SMD
Age

Mean (SD) 60.9 (15.4) 62 (15.5) 0.072 61.9 (15.6) 60.9 (15.4) 0.063 60.1 (15.8) 63.7 (13.4) 0.241

Median (IQR) 63.0 (52.0-72.0) 64.0 (53.0-73.0) b 64 (53-73) 63 (52-72) 62 (51-71) 65 (56-73)
Gender, n (%)

Female 8353 (53)

12,035 (45) 0.15 13,798 (47) 6590 (50) 0.053 5077 (49) 1513 (53) 0.066

Male 7406 (47) 14,400 (55) 15,252 (53) 6554 (50) 5197 (51) 1357 (47)
Area type 0.097 0.047 0.008
BTIPPEc (CAD $d)×1000

Mean (SD) 60.9 (26.1) 63.3 (28.6) 0.09 62 (27.7) 63.3 (27.8) 0.045 62.5 (27.4) 66.3 (29) 0.137

Median (IQR) 57.6 (45.4-70.8) 58.8 (46.5- 73.4) 58.1 (45.8-72.1) 59 (46.8-73.4) 58.4 (46.3-72.6) 61.4 (49-76.5)

Decile distribution 0.088 0.068 0.182
Low incomee, n (%)

No 14,816 (94) 24,357 (92) 0.074 26,993 (93) 12,180 (93) 0.01 9552 (93) 2628 (92) 0.053

Yes 943 (6) 2078 (8) 2057 (7) 964 (7) 722 (7) 242 (8)
Residential instabilityf

Score, mean (SD) 0.3 (1.2) 0.3 (1.2) 0.055 0.3 (1.2) 0.3 (1.2) 0.021 0.3 (1.2) 0.4 (1.2) 0.023

Quintile distribution 0.071 0.022 0.046
Economic dependencyf

Score, mean (SD) –0.1 (1.1) –0.1 (1.1) 0.009 –0.1 (1.1) –0.1 (1) 0.046 –0.1 (1) –0.1 (1.1) 0.045

Quintile distribution 0.015 0.049 0.05
Ethnocultural compositionf

Score, mean (SD) 0.5 (1.1) 0.5 (1) 0.012 0.5 (1.1) 0.5 (1) 0.006 0.5 (1.1) 0.3 (1) 0.186

Quintile distribution 0.081 0.057 0.177
Situational vulnerabilityf

Score, mean (SD) –0.3 (0.8) –0.3 (0.8) 0.069 –0.3 (0.8) –0.4 (0.7) 0.078 –0.3 (0.8) –0.4 (0.7) 0.156

Quintile distribution 0.07 0.082 0.15
Clinic type 1.112 0.612 0.247

aSMD: standardized mean difference.

bNot applicable.

cBTIPPE: before-tax neighborhood income per single-person equivalent.

dCAD $1=~US $0.75.

eLow-income status refers to neighborhood income per single-person equivalent below the Statistics Canada low-income cutoffs in 2016, based on area type (rural vs small vs medium vs large population center) and family size of one person.

fHigher factor scores and quintiles for correspond to more marginalized areas.