|
| Before using smartphones | After starting to use smartphones | P value | ||
Irritability | None | 80 | (30.8) | 67 | (25.8) | 0.053 |
A little | 97 | (37.3) | 94 | (36.2) |
| |
To some extent | 58 | (22.3) | 73 | (28.1) |
| |
Severe | 15 | (5.8) | 21 | (8.1) |
| |
Missing | 10 | (3.8) | 5 | (1.9) |
| |
Depressed mood | None | 86 | (33.1) | 75 | (28.8) | 0.054 |
A little | 82 | (31.5) | 74 | (28.5) |
| |
To some extent | 55 | (21.2) | 69 | (26.5) |
| |
Severe | 24 | (9.2) | 34 | (13.1) |
| |
Missing | 13 | (5.0) | 8 | (3.1) |
| |
Emotional instability | None | 137 | (52.7) | 126 | (48.5) | 0.118 |
A little | 64 | (24.6) | 64 | (24.6) |
| |
To some extent | 32 | (12.3) | 37 | (14.2) |
| |
Severe | 18 | (6.9) | 29 | (11.2) |
| |
Missing | 9 | (3.5) | 4 | (1.5) |
| |
Difficulty concentrating | None | 111 | (42.7) | 99 | (38.1) | 0.142 |
A little | 95 | (36.5) | 99 | (38.1) |
| |
To some extent | 32 | (12.3) | 40 | (15.4) |
| |
Severe | 11 | (4.2) | 15 | (5.8) |
| |
Missing | 11 | (4.2) | 7 | (2.7) |
| |
Breast distension and tenderness | None | 99 | (38.1) | 87 | (33.5) | 0.150 |
A little | 68 | (26.2) | 67 | (25.8) |
| |
To some extent | 64 | (24.6) | 76 | (29.2) |
| |
Severe | 20 | (7.7) | 24 | (9.2) |
| |
Missing | 9 | (3.5) | 6 | (2.3) |
| |
Fatigue | None | 76 | (29.2) | 62 | (23.8) | 0.028 |
A little | 83 | (31.9) | 76 | (29.2) |
| |
To some extent | 67 | (25.8) | 86 | (33.1) |
| |
Severe | 24 | (9.2) | 32 | (12.3) |
| |
Missing | 10 | (3.8) | 4 | (1.5) |
| |
Rough skin | None | 93 | (35.8) | 86 | (33.1) | 0.282 |
A little | 76 | (29.2) | 74 | (28.5) |
| |
To some extent | 60 | (23.1) | 71 | (27.3) |
| |
Severe | 22 | (8.5) | 25 | (9.6) |
| |
Missing | 9 | (3.5) | 4 | (1.5) |
|