Skip to main content

Table 2 BMI absolute values, weight classes frequencies, blood pressure and waist circumference values observed in the study period

From: Is the prevalence of overweight reducing at age 5–6 years? Ten years data collection in ASL Milano 2

 

Year

2002

2003

2009

2010

2011

BMI (m ± SD)

Subjects (n)

585

1531

967

2590

2117

all

16.36 ± 2.35

16.28 ± 1.95

16.20 ± 2.15

16.09 ± 1.97*

15.89 ± 1.81*

Males

NA

NA

NA

16.03 ± 1.88

15.91 ± 1.84

Females

NA

NA

NA

16.15 ± 2.06

15.87 ± 1.78

Italians

NA

NA

NA

16.06 ± 1.94

15.88 ± 1.76

Not Italians

NA

NA

NA

16.28 ± 2.19

16.02 ± 2.16

* p < 0.0001 vs 2002–3 (ANOVA)

Weight categories n (%)

Underweight**

48 (8.2)

111(7.3)

69 (7.2)

249 (9.2)

209 (9.9)

Normal weight

402 (68.7)

1067 (70.5)

690 (71.8)

1915 (70.7)

1555 (73.5)

Overweight

92 (15.7)

240 (15.9)

128 (13.3)

380 (14.0)

259 (12.2)

Obesity

43 (7.4)

95 (6.3)

74 (7.7)

164 (6.1)

94 (4.4)

Overweight + obesity***

135 (23.1)

335 (22.1)

202 (21.0)

544 (20.1)

353 (16.6)

* *p 0.013, *** p 0.0002 (Chi Square)

Blood pressure (m ± SD)

Subjects (n)

0

0

922

2590

1525

SBP mmHg

  

94.7 ± 9.9

94.7 ± 9.5

95.7 ± 9.3°

DBP mmHg

  

59.8 ± 8.4

60.0 ± 8.6

59.4 ± 8.9°°

° p 0.035 vs 2010, °°p < 0.001 vs 2009–2010 (ANOVA)

Waist circumference (m ± SD)

Subjects (n)

0

0

941

2590

1266

cm

NA

NA

54.7 ± 5.25

54.5 ± 4.79

53.9 ± 4.2

WCHr

NA

NA

0.484 ± 0.044

0.483 ± 0.039

0.475 ± 0.035

  1. Legenda:
  2. BMI body mass index.
  3. m ± SD mean ± standard deviation.
  4. n number of subjects.
  5. NA Not Available.
  6. ANOVA analysis of variance.
  7. SBP systolic blood pressure.
  8. DBP diastolic blood pressure.
  9. WCHr waist circumference/height ratio.