Psychosomatic Medicine -- Steptoe et al. 66 (3): 323 Figure IG3

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Figure 3. Mean systolic blood pressure in millimeters mercury averaged over morning, midday, afternoon, and evening periods in overcommitted/lower occupational grade ( ${blacktriangleup}$ —), overcommitted / higher occupational grade (•—), nonovercommitted / lower occupational grade ( ${blacktriangleup}$ --\--), and nonovercommitted/higher occupational grade (•----) men.