. xtreg srh lnincome rd gender unemploy age2 edu1 marital medicare,fe vce(cluster pid)
Fixed-effects (within) regression Number of obs = 2605
Group variable: pid Number of groups = 1282
R-sq: within = 0.0250 Obs per group: min = 1
between = 0.0001 avg = 2.0
overall = 0.0009 max = 3
F(7,1281) = .
corr(u_i, Xb) = -0.3073 Prob > F = .
(Std. Err. adjusted for 1282 clusters in pid)
------------------------------------------------------------------------------
| Robust
srh | Coef. Std. Err. t P>|t| [95% Conf. Interval]
-------------+----------------------------------------------------------------
lnincome | .0764493 .0219142 3.49 0.001 .0334576 .119441
rd | .467431 .1167422 4.00 0.000 .2384041 .6964579
gender | -.4117645 .0188034 -21.90 0.000 -.4486532 -.3748757
unemploy | -.0900036 .0260841 -3.45 0.001 -.1411759 -.0388313
age2 | -.1361227 .0597906 -2.28 0.023 -.253421 -.0188245
edu1 | -.0660453 .0847749 -0.78 0.436 -.2323582 .1002676
marital | -.0164607 .0669993 -0.25 0.806 -.1479011 .1149797
medicare | .0451043 .0655076 0.69 0.491 -.0834097 .1736182
_cons | .9672422 .2737731 3.53 0.000 .4301494 1.504335
-------------+----------------------------------------------------------------
sigma_u | .64776139
sigma_e | .51759634
rho | .61031903 (fraction of variance due to u_i)
------------------------------------------------------------------------------
上面是固定效应回归结果,我想请教一下通过这个结果,能判断出来这个结果可用吗,能不能解释问题,我是要看其他几个变量,对自评健康srh的影响,下面的结果有的p>|t|的值有的都不是小于5%这有影响吗,还有后面的置信区间这个值对结果有没有什么影响。会的麻烦讲解一下,谢谢您啦。我也是初学者,学习的还不是很深入


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