Table 4. Marginal effects analysis –...

Table 4.

Marginal effects analysis – demonstrating convexity

Education transition	Marginal effect (pp)	Standard error (pp)	t-statistic	p-value	95% confidence interval
Below Grade 5 → Grade 6–10	+4.0	0.5	7.30	<0.001***	[+2.7, + 5.3]
Grade 6–10 → Ordinary level	−2.4	0.2	−9.80	<0.001***	[−3.0, −1.8]
Ordinary level → Advanced level	+18.1	1.2	15.15	<0.001***	[+15.3, + 21.0]
Advanced level → Degree and above	+36.3	1.2	31.08	<0.001***	[+33.6, + 39.1]

Education transition	Marginal effect (pp)	Standard error (pp)	t-statistic	p-value	95% confidence interval
Below Grade 5 → Grade 6–10	+4.0	0.5	7.30	<0.001***	[+2.7, + 5.3]
Grade 6–10 → Ordinary level	−2.4	0.2	−9.80	<0.001***	[−3.0, −1.8]
Ordinary level → Advanced level	+18.1	1.2	15.15	<0.001***	[+15.3, + 21.0]
Advanced level → Degree and above	+36.3	1.2	31.08	<0.001***	[+33.6, + 39.1]

Note(s):

Adjacent-category marginal effects are reported in percentage points (pp), averaged across years (2017–2024). Standard errors and CIs from year-to-year variation using a One-sample t-test (df = 7). † p < 0.10; *p < 0.05; **p < 0.01; ***p < 0.001

Source(s): Prepared by authors

[ViewLarge]

Sharing Unavailable