Table 1.

Distribution of demographic and anthropometric characteristics by weight change

Weight change since age 18 (kg)
≤−3>−3 to <33 to <1010 to <20≥20
Men (n = 16,188)
    No. participants, n (%)631 (4)1,717 (11)4,093 (25)5,846 (36)3,901 (24)
    Age at study entry, mean (SD)56.8 (9.2)56.1 (9.1)55.2 (9.0)55.5 (8.7)56.2 (8.5)
    Weight change (kg), mean (SD)−7.9 (5.8)0.4 (1.6)6.7 (2.0)14.6 (2.8)27.7 (7.3)
    Weight at 18 y (kg), mean (SD)78.9 (13.4)70.8 (9.1)68.6 (8.2)66.7 (8.4)63.8 (9.7)
    Weight at study entry (kg), mean (SD)71.0 (11.3)71.3 (9.2)75.3 (8.3)81.4 (8.6)91.5 (11.7)
    Height at study entry (cm), mean (SD)172.6 (7.5)172.1 (7.4)172.1 (7.3)172.5 (7.3)173.1 (7.4)
    BMI at 18 y (kg/m2), mean (SD)26.4 (4.0)23.9 (2.7)23.2 (2.3)22.4 (2.4)21.3 (2.8)
    BMI at study entry (kg/m2), mean (SD)23.8 (3.3)24.1 (2.7)25.4 (2.4)27.4 (2.5)30.6 (3.6)
    Country of birth, n (%)
        Australia474 (75)1,211 (71)2,833 (69)3,833 (66)2,311 (59)
        United Kingdom45 (7)166 (10)351 (9)487 (8)294 (8)
        Italy60 (10)182 (11)517 (13)888 (15)614 (16)
        Greek52 (8)158 (9)392 (10)638 (11)682 (18)
    Education, n (%)
        ≤Primary87 (14)233 (14)620 (15)1,028 (18)950 (24)
        Some high/technical212 (34)517 (30)1,147 (28)1,838 (31)1,325 (34)
        Completed high/technical161 (26)409 (24)1,046 (26)1,503 (26)955 (25)
        Degree/diploma171 (27)558 (33)1,280 (31)1,477 (25)671 (17)
Women (n = 23,438)
    No. participants, n (%)1,198 (5)2,633 (11)6,068 (26)7,950 (34)5,589 (24)
    Age at study entry, mean (SD)55.0 (9.1)54.1 (9.2)54.1 (8.7)55.2 (8.5)55.9 (8.0)
    Weight change (kg), mean (SD)−7.4 (4.7)0.5 (1.6)6.6 (2.0)14.6 (2.8)28.6 (8.1)
    Weight at 18 y (kg), mean (SD)64.4 (10.9)57.6 (7.7)54.9 (6.9)53.6 (7.1)53.5 (8.0)
    Weight at study entry (kg), mean (SD)57.0 (9.1)58.1 (7.6)61.5 (7.0)68.2 (7.6)82.1 (11.7)
    Height at study entry (cm), mean (SD)160.3 (6.7)160.5 (6.7)160.1 (6.7)159.8 (6.7)160 (6.5)
    BMI at 18 y (kg/m2), mean (SD)25.1 (4.0)22.4 (2.8)21.4 (2.5)21.0 (2.6)21.0 (2.9)
    BMI at study entry (kg/m2), mean (SD)22.2 (3.3)22.6 (2.8)24.0 (2.7)26.8 (3.0)32.3 (4.6)
    Country of birth, n (%)
        Australia936 (78)2,048 (78)4,619 (76)5,679 (71)3,528 (63)
        United Kingdom93 (8)205 (8)426 (7)510 (6)335 (6)
        Italy81 (7)213 (8)578 (10)959 (12)947 (17)
        Greek88 (7)167 (6)445 (7)802 (10)779 (14)
    Education, n (%)
        ≤Primary159 (13)314 (12)875 (14)1,567 (20)1,582 (28)
        Some high/technical491 (41)1,066 (41)2,530 (42)3,598 (45)2,468 (44)
        Completed high/technical231 (19)520 (20)1,169 (19)1,387 (17)887 (16)
        Degree/diploma317 (27)733 (28)1,494 (25)1,398 (18)652 (12)

NOTE: Percentages may not add up to 100% due to rounding.