Table 1 Baseline characteristics of participants in adolescence.

From: The association between leisure-time physical activity and blood pressure changes from adolescence to young adulthood: Tehran Lipid and Glucose Study

 

Males

(n = 678)

Females

(n = 734)

P-value

Age

15.14 ± 1.94

15.51 ± 1.95

0.292

Education (%)

  

0.105

 Illiterate/Primary

558 (82.3)

579 (78.9)

 

 Secondary

120 (17.7)

155 (21.1)

Marital status (%)

  

0.009

 Married

1 (0.1)

10 (1.4)

 

 Single

677 (99.9)

724 (98.6)

Occupation (%)

  

 < 0.001

 Employed

35 (5.2)

5 (0.7)

 

 Unemployed

643 (94.8)

729 (99.3)

Smoking (%)

  

 < 0.001

 Yes

121(17.8)

83(11.3)

 

 No

557(82.2)

651(88.7)

BMI (kg/m2)

21.63 ± 4.54

21.58 ± 4.03

0.783

Maternal MetS (%)

  

0.433

 Yes

288 (42.5)

327 (44.6)

 

 No

390 (57.5)

407 (55.4)

Paternal MetS (%)

  

0.500

 Yes

377 (55.6)

395 (53.8)

 

 No

301 (44.4)

339 (46.2)

SBP (mmHg)

105.50 ± 11.85

100.44 ± 10.94

 < 0.001

DBP (mmHg)

67.69 ± 9.35

68.92 ± 9.20

0.013

LTPA (MET-hour/week)

27.97 ± 32.54

14.06 ± 17.69

 < 0.001

LTPA status (%)

  

 <0.001

 Insufficient

455 (67.1)

606 (82.6)

 
  1. Values are Mean (SD) for continuous variables and n (%) for categorical variables.
  2. The p-value is for comparison between males and females in each characteristic.
  3. BMI; body mass index, SBP; systolic blood pressure, DBP; diastolic blood pressure, LTPA; leisure time physical activity.
  4. Significant values are in [bold].
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