Table 2 Minimum and maximum duration of mobile phone use and changes in systolic and diastolic blood pressure and heart rate in participants based on the duration of mobile phone use

Population size, n (%)

8905 (100)

-

1515 (17.0)

1949 (21.8)

1733 (19.4)

1911 (21.4)

1797 (20.1)

-

Mean minute per da (min- max)

19.5 (0–330)

-

-

3.4 (0.5–6)

8.0 (6.5–10)

16.2 (10.5–22.5)

50.4 (23.5–330)

-

SBP (mmHg) (Mean ± SD)

Male

107.9 ± 15.5

101.2–139.9

113.3 ± 16.7

109.1 ± 16.1

107.8 ± 15.0

104.3 ± 11.3

101.5 ± 13.2

0.065

Female

104.2 ± 15.7

94.2–139.8

106.6 ± 17.3

105.5 ± 15.0

100.5 ± 14.8

96.2 ± 14.4

89.7 ± 12.5

 < 0.001

DBP (mmHg) (Mean ± SD)

Male

70.0. ± 9.9

68.9–89.4

73.5 ± 10.4

70.5 ± 9.7

68.7 ± 9.8

66.5 ± 10.0

64.8 ± 9.9

0.886

Female

67.8 ± 9.4

61.2–89.6

69.2 ± 10.1

68.2 ± 9.2

64.3 ± 9.1

61.1 ± 8.7

57.9 ± 9.1

 < 0.001

Heart rate (BPM) (Mean ± SD)

Male

72.2 ± 9.1

67.2–78.4

71.6 ± 8.8

73.2 ± 6.0

73.9 ± 9.3

74.1 ± 9.0

74.6 ± 7.0

0.955

Female

75.2 ± 9.8

73.3–89.6

74.9 ± 9.9

76.8 ± 8.0

75.9 ± 9.3

73.3 ± 9.7

71.8 ± 9.7

0.045