WORK ACTIVITY LEVEL LIGHT - Professional and Technical worker, administrative and managerial, Sales reps., clerical and related worker, housewife. MODERATE – Sales worker, service worker, domestic helper, student, transport worker, some construction work, e.g. joiner, roofer MODERATE/HEAVY – Equipment operator, labourer, agricultural worker, some construction work, e.g. bricklayer, mason LEISURE ACTIVITY LEVEL INACTIVE- driving, cooking, washing up, dusting, cleaning, vacuuming, cooking, playing snooker, bowls MODERATELY ACTIVE - making beds, painting and decorating, mopping floor, gardening, cleaning windows, playing table tennis, sailing, playing rounders, golf VERY ACTIVE - Polishing furniture, heavy gardening, chopping wood, volley ball, dancing, cycling, football, tennis, jogging, energetic swimming, skiing Source: RHSS 41 Dietary Reference Values for Food, Energy & Nutrients for the UK, HMSO 1997