. 2011 Apr;20(4):585–591. doi: 10.1089/jwh.2010.2316

Table 2.

Normal Weight, Overweight/Obese Patients' Reports of Practitioner Weight Gain Recommendations Compared with 1990 Institute of Medicine Recommendations

	NW n = 86	OW/OB n = 81	p value
Mean (lb), SD	27.6 (4.0)	24.2 (7.3)	0.0001^a
% under IOM	2.3	3.7
% within IOM	95.3	74.1	0.001^b
% above IOM	2.3	22.2

^{^a}

Based on independent t test.

^{^b}

Based on chi-square test for overall difference between prepregnancy weight and Institute of Medicine (IOM) categories.