The team compared the faces and figures of the Playmates of the Year from 1960 to 2000 with an annual 'hard times measure', tracking changes in U.S. rates of unemployment, marriage and murder Elfin: Movie icon Audrey Hepburn over the same period. Dr Pettijohn, a social psychologist, said: 'When social and economic conditions were difficult, older, heavier, taller Playboy Playmates of the Year with larger waists, smaller eyes, larger waist-to-hip ratios, smaller bust-towaist ratios and smaller body mass index values were selected.