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. 2021 Mar 30;2(1):e25610. doi: 10.2196/25610

Table 3.

Follow-up descriptive statistics and unadjusted outcomes for hypertension cases versus matched healthy controls.

Variable Groupa

Hypertension (n=147) Control (n=147)
Sample descriptionb


Age (years), mean (SD) 54.8 (14.9) 52.8 (14.2)

Age group, n (%)



18-25 years 7 (5) 8 (5)


26-40 years 22 (15) 22 (15)


41-55 years 36 (24) 45 (31)


56-90 years 82 (56) 72 (49)

Gender, n (%)



Male 61 (41) 61 (41)


Female 85 (58) 85 (58)


Not specified/other 1 (1) 1 (1)

Education, n (%)



High school or less 26 (18) 18 (12)


Certificate I-IV 19 (13) 21 (14)


University 102 (69) 108 (73)

Adequate health literacyc, n (%) 142 (97) 143 (97)

Takes any prescription medicine, n (%) 114 (78) 56 (38)

Consumer Health Activation Index (score 0-100, where 100 is more active), mean (SD) 75.48 (14.32) 77.10 (12.95)
Risk perception


Seriousness of threat in general (0=low to 10=high), mean (SD) 7.51 (2.42) 7.03 (2.58)

Seriousness of threat globally (0=low to 10=high), mean (SD) 8.74 (1.76) 8.65 (1.81)

Seriousness of threat in Australia (0=low to 10=high), mean (SD) 6.14 (2.38) 5.50 (2.49)
Anxiety


State-Trait Anxiety Inventory (score range 20-80; normal 34-36), mean (SD) 36.94 (15.31) 36.49 (13.93)

Never (in the past week) felt nervous or stressed because of COVID-19 (categorical), n (%) 58 (39) 64 (44)
Prevention behaviors


Perceived importance of social distancing (average of 4 items from 1-7, where 7 is more important), mean (SD) 6.49 (0.78) 6.34 (0.90)

I have or I will get the flu vaccine this year, n (%)


Strongly disagree/disagree 13 (9) 24 (16)


Neither agree nor disagree 2 (1) 2 (1)


Strongly agree/agree 132 (90) 121 (82)

If a COVID-19 vaccine becomes available, I will get it, n (%)


Strongly disagree/disagree 7 (5) 13 (9)


Neither agree nor disagree 9 (6) 10 (7)


Strongly agree/agree 131 (89) 124 (84)

aPeople reporting high blood pressure and no other conditions were matched to healthy controls with no reported cardiovascular or respiratory conditions.

bAs measured at baseline.

cBased on the single-item health literacy screener.