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. 2022 May 20;6(5):e33985. doi: 10.2196/33985

Table 3.

Participants’ use of mobile phones, cell phones, or smartphones sorted by age group (N=406).

Characteristic Age 18 to 40 years (n=61),
n (%)
Age 41 to 70 years (n=255),
n (%)
Age ≥71 years (n=89),
n (%)
Totala, n (%)
Owns a mobile phone

Yes 60 (100) 238 (95.6) 64 (76.2) 362 (92.1)

No 0 (0) 11 (4.4) 20 (23.8) 31 (7.9)

Total 60 (100) 249 (100) 84 (100) 393 (100)
Mobile phone is a smartphone

Yes 60 (100) 204 (84) 32 (44.4) 296 (78.9)

No 0 (0) 36 (14.8) 35 (48.6) 71 (18.9)

Not known 0 (0) 3 (1.2) 5 (6.9) 8 (2.1)

Total 60 (100) 243 (100) 72 (100) 375 (100)
Operating system of the smartphone

iOS 20 (33.3) 54 (24.4) 3 (6.1) 77 (23.3)

Android 38 (63.3) 133 (60.2) 21 (42.9) 192 (58.2)

Miscellaneous 1 (1.7) 13 (5.9) 6 (12.2) 20 (6.1)

Not known 1 (1.7) 21 (9.5) 19 (38.8) 41 (12.4)

Total 60 (100) 221 (100) 49 (100) 330 (100)
Owns a fitness device

No 40 (66.7) 198 (84.6) 61 (87.1) 299 (82.1)

Fitness bracelet or smartwatch 19 (31.7) 29 (12.4) 5 (7.1) 53 (14.6)

Yes, other 1 (1.7) 7 (3) 4 (5.7) 12 (3.3)

Total 60 (100) 234 (100) 70 (100) 364 (100)
Uses a smartphone or mobile phone for...b

Phone calls 52 (85.2) 223 (87.5) 54 (60.7) 329 (81)

Messenger services or SMS 58 (95.1) 171 (67.1) 24 (27) 253 (62.3)

Social media 45 (73.8) 62 (24.3) 3 (3.4) 110 (27.1)

Route planning and navigation 51 (83.6) 125 (49) 13 (14.6) 189 (46.6)

Medical or health apps 18 (29.5) 33 (12.9) 6 (6.7) 57 (14)

Photography and photo use 54 (88.5) 162 (63.5) 27 (30.3) 243 (59.9)

Listening to music 43 (70.5) 61 (23.9) 1 (1.1) 105 (25.9)

Watching movies and series 29 (47.5) 20 (7.8) 2 (2.2) 51 (12.6)

Web browsing 53 (86.9) 121 (47.5) 11 (12.4) 185 (45.6)

Games 25 (41) 39 (15.3) 6 (6.7) 70 (17.2)

None or not applicable 0 (0) 0 (0) 4 (4.5) 4 (1)

Other 1 (1.6) 4 (1.6) 1 (1.1) 6 (1.5)

Total 61 (100) 255 (100) 89 (100) 406 (100)
Use of apps related to health

Yes 12 (20) 30 (12.8) 3 (4) 45 (12.2)

No 45 (75) 202 (86.3) 68 (90.7) 315 (85.4)

Not known or not applicable 3 (5) 2 (0.9) 4 (5.3) 9 (2.4)

Total 60 (100) 234 (100) 75 (100) 369 (100)

aIncludes questionnaire responses without information on the age group provided, which are therefore only counted in the Total column.

bMultiple answers were possible, and the percentage refers to the respective total.