Anthropometry, Amplitude of Accommodation, and Spherical Equivalent Refractive Error in a Nigerian Population

Table 3

Summary statistics and effect of refractive error on measures of physical anthropometry and amplitude of accommodation.

	Age (years)	HT (m)	WT (kg)	BMI (kgm^−2)	AAPUB (D)	AAMLB (D)	SEQ (D)
Mean (SD)
All (n = 201)	34.2 (13.4)	1.66 (0.11)	67.5 (11.7)	24.7 (3.9)	8.48 (3.4)	6.36 (2.7)	−0.25 (1.67)
Hyperopes
(𝑛=96)	35.2 (15.2)	1.70 (0.15)	68.4 (12.3)	23.2 (4.2)	7.94 (3.3)	6.11 (2.6)	+0.94 (0.68)
Myopes
(𝑛=105)	33.7 (12.8)	1.63 (0.23)	69.8 (12.9)	25.1 (4.6)	8.95 (3.3)	6.55 (2.8)	−1.33 (1.54)
t-test	t = 0.68	t = 1.82	t = 0.96	t = 1.27	t = −2.15	t = −1.13	—
	P = 0.70	P = 0.12	P = 0.27	P = 0.30	P= 0.03	P = 0.26	—
M-W	U = 66	U = 110	U = 99	U = 67	U = 235	U = 66	—
	P = 0.62	P = 0.08	P = 0.14	P = 0.25	P = 0.02	P = 0.62	—
K-S test	K-S = 0.43	K-S = 1.27	K-S = 1.33	K-S = 0.87	K-S = 1.49	K-S = 0.99	K-S = 2.32
	P = 0.52	P = 0.27	P = 0.26	P = 0.43	P = 0.10	P = 0.30	P = 0.03
Stnd skewness
All	0.86	0.30	0.14	0.73	0.04	0.26	10.00
Hyperopes	1.02	1.31	0.28	−1.33	−0.06	0.30	11.80
Myopes	0.79	0.42	−0.12	−1.09	−0.07	0.35	−11,86
Stnd kurtosis
All	−0.02	0.30	−0.56	1.29	−1.06	0.66	11.95
Hyperopes	−0.05	0.60	−0.49	−1.08	−1.67	0.72	15.52
Myopes	0.16	−0.70	−0.52	0.99	−0.98	1.02	19.44

SD: standard deviation in parenthesis; t-test: Student’s t-test; M-W: Mann-Whitney U test; K-S: Kolmogorov-Smirnov Z test; Stnd skewness: standardized skewness; Stnd kurtosis: standardized kurtosis; HT: Height; WT: weight; BMI: body mass index; SEQ: spherical equivalent refractive error; AAMLB: amplitude of accommodation (minus-lens to blur); AAPUB: amplitude of accommodation (push-up to blur).