Table 5.

Comparison of this population (UK 2006/7) with NDNS data (UK 1994/5) [21]

	Our Norfolk residents	NDNS institutionalised participants
Age	86.1 intervention homes, 87.7 control homes	51% aged 85 years and over
Male	33% intervention homes, 25% control homes	23%
Live in residential homes	100%	57%
Live in homes managed by local authorities	100%	21%
Number of participants giving consent	105	412
Consent rates for participation	57%	94%
Underweight (BMI < 20)	14%	16% men, 15% women
Obesity (BMI >30)	16%	10% men, 13% women
Mean mid-upper arm circumference, cm	28.4 cm men, 27.5 cm women	26.9 cm men, 27.0 cm women.
Mean hand grip strength, kg	16.1 kg men, 9.9 kg women	19.1 kg men, 11.7 kg women.