Table 7.3: Proportion of children with BMI within the healthy range, at risk of overweight and at risk of obesity, 1998 to 2018

Base: Aged 2-15 with valid height and weight measurementsa 1998 - 2018
BMI status (National BMI percentiles) 1998 2003 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018
% % % % % % % % % % % % %
Boys Within healthy rangeb 70 65 61 68 65 63 65 67 70 73 70 75 69
Outwith healthy rangec 30 35 39 32 35 37 35 33 30 27 30 25 31
At risk of overweight (including obesity)d 29 34 38 31 33 36 34 31 28 26 28 24 30
At risk of obesitye 14 18 19 17 18 20 20 17 16 15 14 12 17
Girls Within healthy range 70 69 71 70 70 68 70 72 65 70 71 69 71
Outwith healthy range 30 31 29 30 30 32 30 28 35 30 29 31 29
At risk of overweight (including obesity) 29 30 28 29 30 29 27 27 34 29 29 29 27
At risk of obesity 14 14 14 16 14 15 14 15 18 14 14 15 15
All children Within healthy range 70 67 66 69 67 65 68 70 68 72 70 72 70
Outwith healthy range 30 33 34 31 33 35 32 30 32 28 30 28 30
At risk of overweight (including obesity) 29 32 33 30 31 33 31 29 31 28 29 26 29
At risk of obesity 14 16 17 16 16 17 17 16 17 15 14 13 16
Unweighted bases Boys 1780 1208 652 967 662 643 630 678 608 508 533 555 690
Girls 1704 1215 640 914 569 626 644 630 602 452 542 509 602
All children 3484 2423 1292 1881 1231 1269 1274 1308 1210 960 1075 1064 1292
Weighted bases Boys 985 1243 669 958 641 655 663 687 620 502 548 579 671
Girls 931 1182 621 924 612 621 620 660 590 467 539 536 648
All children 1916 2425 1290 1882 1253 1276 1283 1347 1210 969 1088 1115 1319

a Table only includes children whose BMI was more than 7 standard deviations above or below the norm for their age were excluded from the table
b 'Within healthy range' = BMI above 2nd percentile, below 85th percentile.
c 'Outwith healthy range' = BMI at or below 2nd percentile, at or above 85th percentile.
d 'At risk of overweight' = BMI at or above 85th percentile, below 95th percentile.
e 'At risk of obesity' = BMI at or above 95th percentile.


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Email: scottish_health_survey@gov.scot