Table 1 Availability of parent-reported child height and weight data, when parents recall last obtaining these measures, and source of parent report

Height

59.1 (622)

59.0 (256)

59.1 (366)

71.4 (197)

64.7 (75)

52.8^b (216)

51.3^b (101)

Weight

75.6 (796)

79.5 (345)

73.2^a (453)

88.0 (243)

75.4^b (68)

70.2^b (287)

70.6^b (139)

Usable BMI-for-age percentile data for weight classification¹

53.0 (558)

51.8^a (225)

53.8 (333)

68.5 (189)

58.6 (68)

45.5^b (186)

43.1^b (85)

Perception of whether child is overweight

98.1 (1033)

99.5 (432)

97.1 (601)

99.6 (275)

100.0 (116)

96.1 (393)^b

98.5 (194)

Last learned child’s weight

 Within past 7 days

20.0 (211)

22.8 (99)

18.1 (112)

22.5 (62)

16.4 (19)

15.7^b (64)

27.9 (55)

 >7 days but within past month

27.5 (289)

28.6 (124)

26.7 (165)

26.4 (73)

25.0 (29)

25.7 (105)

32.5 (64)

 >1 month but within past 6 months

31.0 (325)

32.5 (141)

29.9 (185)

35.9 (99)

36.2 (42)

31.5 (129)

19.8 (39)

 More than 6 months ago

18.9 (199)

14.1 (61)

22.3^a (138)

13.4 (37)

19.8 (23)

23.2^b (95)

18.3 (36)

 Not reported

2.6 (28)

2.0 (9)

3.0 (19)

1.8 (5)

2.6 (3)

3.9 (16)

1.5 (3)

Last learned child’s height

 Within past 7 days

13.9 (146)

15.4 (67)

12.8 (79)

14.5 (40)

12.9 (15)

12.0 (49)

18.3 (36)

 >7 days but within past month

20.1 (212)

21.4 (93)

19.2 (119)

21.4 (59)

18.1 (21)

18.6 (78)

23.4 (46)

 >1 month but within past 6 months

33.3 (348)

36.9 (60)

30.4 (188)

40.9 (113)

37.9 (44)

31.3 (128)

20.8 (41)

 More than 6 months ago

28.4 (299)

22.6 (98)

32.5^a (201)

19.9 (55)

28.4 (33)

32.5^b (133)

32.0^b (63)

 Not reported

4.5 (48)

3.7 (16)

5.1 (32)

3.3 (9)

2.6 (3)

5.6 (23)

5.6 (11)

Mother reporting

84.6 (891)

83.9 (364)

85.1 (527)

80.4 (222)

88.8^b (103)

89.7^b (367)

78.2 (154)